ID

VAR-200903-0281

CVE

CVE-2009-0636

TITLE

Cisco IOS Session Initiation Protocol Denial of Service Vulnerability

DESCRIPTION

Unspecified vulnerability in Cisco IOS 12.0 through 12.4, when SIP voice services are enabled, allows remote attackers to cause a denial of service (device crash) via a valid SIP message. Cisco IOS is prone to a remote denial-of-service vulnerability. An attacker can exploit these issues to cause an affected device to crash, denying service to legitimate users. This issue is being tracked by Cisco Bug ID CSCsu11522. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerability Advisory ID: cisco-sa-20090325-sip http://www.cisco.com/warp/public/707/cisco-sa-20090325-sip.shtml Revision 1.0 For Public Release 2009 March 25 1600 UTC (GMT) - --------------------------------------------------------------------- Summary ======= A vulnerability exists in the Session Initiation Protocol (SIP) implementation in Cisco IOS Software that can be exploited remotely to cause a reload of the Cisco IOS device. Cisco has released free software updates that address this vulnerability. However, mitigation techniques are available to help limit exposure to the vulnerability. This advisory is posted at the following link: http://www.cisco.com/warp/public/707/cisco-sa-20090325-sip.shtml Note: The March 25, 2009, Cisco IOS Security Advisory bundled publication includes eight Security Advisories. Each advisory lists the releases that correct the vulnerability or vulnerabilities in the advisory. The following table lists releases that correct all Cisco IOS Software vulnerabilities that have been published in Cisco Security Advisories on March 25, 2009, or earlier. Vulnerable Products +------------------ Cisco devices running affected Cisco IOS Software versions that process SIP messages are affected. Note that this does not apply to the processing of SIP messages as part of the NAT and firewall feature sets. Recent versions of Cisco IOS Software do not process SIP messages by default. An example of an affected configuration is as follows: dial-peer voice <Voice dial-peer tag> voip ... ! Note: Older versions of Cisco IOS Software were affected by a bug that caused Cisco IOS Software to process SIP messages without being configured for SIP operation. In the following example, the presence of the processes CCSIP_UDP_SOCKET and CCSIP_TCP_SOCKET indicates that the Cisco IOS device is processing SIP messages: Router#show processes | include SIP 147 Mwe 40F46DF4 12 2 600023468/24000 0 CCSIP_SPI_CONTRO 148 Mwe 40F21244 0 1 0 5524/6000 0 CCSIP_DNS 149 Mwe 40F48254 4 1 400023108/24000 0 CCSIP_UDP_SOCKET 150 Mwe 40F48034 4 1 400023388/24000 0 CCSIP_TCP_SOCKET Warning: Since there are several ways a device running Cisco IOS Software can start processing SIP messages, it is recommended that the show processes | include SIP command be used to determine whether the device is processing SIP messages instead of relying on the presence of specific configuration commands. To determine the Cisco IOS Software release that is running on a Cisco product, administrators can log in to the device and issue the show version command to display the system banner. The system banner confirms that the device is running Cisco IOS Software by displaying text similar to "Cisco Internetwork Operating System Software" or "Cisco IOS Software." The image name displays in parentheses, followed by "Version" and the Cisco IOS Software release name. Other Cisco devices do not have the show version command or may provide different output. The following example identifies a Cisco product that is running Cisco IOS Software Release 12.3(26) with an installed image name of C2500-IS-L: Router#show version Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-IS-L), Version 12.3(26), RELEASE SOFTWARE (fc2) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2008 by cisco Systems, Inc. Compiled Mon 17-Mar-08 14:39 by dchih !--- output truncated The following example identifies a Cisco product that is running Cisco IOS Software Release 12.4(20)T with an installed image name of C1841-ADVENTERPRISEK9-M: Router#show version Cisco IOS Software, 1841 Software (C1841-ADVENTERPRISEK9-M), Version 12.4(20)T, RELEASE SOFTWARE (fc3) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2008 by Cisco Systems, Inc. Compiled Thu 10-Jul-08 20:25 by prod_rel_team !--- output truncated Additional information about Cisco IOS Software release naming conventions is available in "White Paper: Cisco IOS Reference Guide" at the following link: http://www.cisco.com/warp/public/620/1.html Products Confirmed Not Vulnerable +-------------------------------- The SIP Application Layer Gateway (ALG), which is used by the Cisco IOS NAT and firewall features of Cisco IOS Software, is not affected by this vulnerability. Cisco devices that are running Cisco IOS XE Software and Cisco IOS XR Software are not affected. No other Cisco products are currently known to be affected by this vulnerability. Details ======= SIP is a popular signaling protocol that is used to manage voice and video calls across IP networks such as the Internet. SIP is responsible for handling all aspects of call setup and termination. Voice and video are the most popular types of sessions that SIP handles, but the protocol has the flexibility to accommodate other applications that require call setup and termination. SIP call signaling can use UDP (port 5060), TCP (port 5060), or TLS (TCP port 5061) as the underlying transport protocol. This vulnerability is triggered by processing a specific and valid SIP message. Note: The vulnerabilities described in the advisories Cisco IOS Software Multiple Features IP Sockets Vulnerability and Cisco IOS Software Multiple Features Crafted UDP Packet Vulnerability, both part of this bundle of Cisco IOS advisories, may also impact SIP operations. Vulnerability Scoring Details ============================= Cisco has provided scores for the vulnerabilities in this advisory based on the Common Vulnerability Scoring System (CVSS). The CVSS scoring in this Security Advisory is done in accordance with CVSS version 2.0. CVSS is a standards-based scoring method that conveys vulnerability severity and helps determine urgency and priority of response. Cisco has provided a base and temporal score. Customers can then compute environmental scores to assist in determining the impact of the vulnerability in individual networks. Cisco has provided an FAQ to answer additional questions regarding CVSS at http://www.cisco.com/web/about/security/intelligence/cvss-qandas.html Cisco has also provided a CVSS calculator to help compute the environmental impact for individual networks at http://intellishield.cisco.com/security/alertmanager/cvss CSCsu11522 - A voice gateway may crash when processing valid SIP CVSS Base Score - 7.8 Access Vector - Network Access Complexity - Low Authentication - None Confidentiality Impact - None Integrity Impact - None Availability Impact - Complete CVSS Temporal Score - 6.4 Exploitability - Functional Remediation Level - Official-Fix Report Confidence - Confirmed Impact ====== Successful exploitation of the vulnerability described in this document may result in a reload of the device. The issue could be repeatedly exploited to cause an extended DoS condition. Software Versions and Fixes =========================== When considering software upgrades, also consult http://www.cisco.com/go/psirt and any subsequent advisories to determine exposure and a complete upgrade solution. In all cases, customers should exercise caution to be certain the devices to be upgraded contain sufficient memory and that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, contact the Cisco Technical Assistance Center (TAC) or your contracted maintenance provider for assistance. Each row of the Cisco IOS software table (below) names a Cisco IOS release train. If a given release train is vulnerable, then the earliest possible releases that contain the fix (along with the anticipated date of availability for each, if applicable) are listed in the "First Fixed Release" column of the table. The "Recommended Release" column indicates the releases which have fixes for all the published vulnerabilities at the time of this Advisory. A device running a release in the given train that is earlier than the release in a specific column (less than the First Fixed Release) is known to be vulnerable. Cisco recommends upgrading to a release equal to or later than the release in the "Recommended Releases" column of the table. Note: In addition to CSCsu11522 and because of its impact on SIP operation, this table of fixed software takes into consideration the vulnerability tracked by Cisco Bug CSCsk64158 , from "Cisco Security Advisory: Crafted UDP Packet Affects Multiple Cisco IOS Features" (http://www.cisco.com/warp/public/707/cisco-sa-20090325-udp.shtml) The table does not take into consideration the vulnerability disclosed by "Cisco Security Advisory: Cisco IOS IP Sockets Vulnerability Affecting Multiple Cisco IOS Features", which may impact SIP over TLS. +-------------------------------------------------------------------+ | Major | Availability of Repaired Releases | | Release | | |------------+------------------------------------------------------| | Affected | | Recommended | | 12.0-Based | First Fixed Release | Release | | Releases | | | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0 | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0DA | Vulnerable; first fixed in 12.2DA | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0DB | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0DC | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.0S | 12.0(32)S12 | 12.0(32)S12 | |------------+-------------------------------------+----------------| | 12.0SC | Vulnerable; first fixed in 12.0S | 12.0(32)S12 | |------------+-------------------------------------+----------------| | 12.0SL | Vulnerable; first fixed in 12.0S | 12.0(32)S12 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0SP | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.0ST | Vulnerable; first fixed in 12.0S | 12.0(32)S12 | |------------+-------------------------------------+----------------| | 12.0SX | Vulnerable; first fixed in 12.0S | 12.0(32)S12 | |------------+-------------------------------------+----------------| | 12.0SY | 12.0(32)SY8 | 12.0(32)SY8 | |------------+-------------------------------------+----------------| | 12.0SZ | Vulnerable; first fixed in 12.0S | 12.0(32)S12 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0T | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.0W | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.0WC | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.0WT | Not Vulnerable | | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XA | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XB | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XC | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XD | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XE | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.0XF | Not Vulnerable | | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XG | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XH | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | Releases prior to 12.0(4)XI2 are | 12.4(18e) | | | vulnerable, release 12.0(4)XI2 and | | | 12.0XI | later are not vulnerable; first | 12.4(23a); | | | fixed in 12.4 | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XJ | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XK | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XL | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XM | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XN | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XQ | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XR | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XS | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XT | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.0XV | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | Affected | | Recommended | | 12.1-Based | First Fixed Release | Release | | Releases | | | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1 | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.1AA | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.1AX | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | | | 12.1(22)EA13 | | 12.1AY | Vulnerable; first fixed in 12.1EA | | | | | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | | | 12.1(22)EA13 | | 12.1AZ | Vulnerable; first fixed in 12.1EA | | | | | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.1CX | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.1DA | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.1DB | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.1DC | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.1E | Vulnerable; first fixed in 12.2SXF | 12.2(18)SXF16 | |------------+-------------------------------------+----------------| | 12.1EA | 12.1(22)EA13 | 12.1(22)EA13 | |------------+-------------------------------------+----------------| | 12.1EB | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.2(33)SCB1 | | 12.1EC | Vulnerable; first fixed in 12.3BC | | | | | 12.3(23)BC6 | |------------+-------------------------------------+----------------| | 12.1EO | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.1EU | Vulnerable; first fixed in 12.2SG | 12.2(31)SGA9 | |------------+-------------------------------------+----------------| | 12.1EV | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.1EW | Vulnerable; migrate to 12.2SGA | 12.2(31)SGA9 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1EX | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.1EY | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.1EZ | Vulnerable; first fixed in 12.2SXF | 12.2(18)SXF16 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1GA | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1GB | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1T | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XA | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XB | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XC | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XD | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XE | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XF | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XG | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XH | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XI | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XJ | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XL | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XM | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XP | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XQ | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XR | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XS | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XT | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XU | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XV | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XW | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XX | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XY | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1XZ | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1YA | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1YB | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1YC | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1YD | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | Releases prior to 12.1(5)YE6 are | 12.4(18e) | | | vulnerable, release 12.1(5)YE6 and | | | 12.1YE | later are not vulnerable; first | 12.4(23a); | | | fixed in 12.4 | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1YF | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.1YH | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.1YI | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.1(22)EA13 | | 12.1YJ | Vulnerable; first fixed in 12.1EA | | | | | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | Affected | | Recommended | | 12.2-Based | First Fixed Release | Release | | Releases | | | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2 | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.2B | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to 12.2SCB or | 12.2(33)SCB1 | | 12.2BC | 12.3BC | | | | | 12.3(23)BC6 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2BW | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.2BX | Vulnerable; migrate to 12.2SB | 12.2(33)SB4 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2BY | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2BZ | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to 12.2SCB or | 12.2(33)SCB1 | | 12.2CX | 12.3BC | | | | | 12.3(23)BC6 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to 12.2SCB or | 12.2(33)SCB1 | | 12.2CY | 12.3BC | | | | | 12.3(23)BC6 | |------------+-------------------------------------+----------------| | 12.2CZ | Vulnerable; first fixed in 12.2SB | 12.2(33)SB4 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | 12.2(12)DA14; Available on | | | 12.2DA | 30-JUL-2009 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2DD | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2DX | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.2EW | Vulnerable; first fixed in 12.2SG | 12.2(31)SGA9 | |------------+-------------------------------------+----------------| | 12.2EWA | Vulnerable; first fixed in 12.2SG | 12.2(31)SGA9 | |------------+-------------------------------------+----------------| | 12.2EX | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2EY | 12.2(44)EY | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2EZ | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2FX | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2FY | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2FZ | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | | | 12.2(33)SRC4; | | 12.2IRA | Vulnerable; first fixed in 12.2SRC | Available on | | | | 18-MAY-2009 | |------------+-------------------------------------+----------------| | | | 12.2(33)SRC4; | | 12.2IRB | Vulnerable; first fixed in 12.2SRC | Available on | | | | 18-MAY-2009 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to any release | 12.2(18)IXH; | | 12.2IXA | in 12.2IXH | Available on | | | | 31-MAR-2009 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to any release | 12.2(18)IXH; | | 12.2IXB | in 12.2IXH | Available on | | | | 31-MAR-2009 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to any release | 12.2(18)IXH; | | 12.2IXC | in 12.2IXH | Available on | | | | 31-MAR-2009 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to any release | 12.2(18)IXH; | | 12.2IXD | in 12.2IXH | Available on | | | | 31-MAR-2009 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to any release | 12.2(18)IXH; | | 12.2IXE | in 12.2IXH | Available on | | | | 31-MAR-2009 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to any release | 12.2(18)IXH; | | 12.2IXF | in 12.2IXH | Available on | | | | 31-MAR-2009 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to any release | 12.2(18)IXH; | | 12.2IXG | in 12.2IXH | Available on | | | | 31-MAR-2009 | |------------+-------------------------------------+----------------| | 12.2JA | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.2JK | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2MB | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.2MC | 12.2(15)MC2m | 12.2(15)MC2m | |------------+-------------------------------------+----------------| | 12.2S | Vulnerable; first fixed in 12.2SB | 12.2(33)SB4 | |------------+-------------------------------------+----------------| | | 12.2(28)SB13 | | | | | | | 12.2SB | 12.2(31)SB14 | 12.2(33)SB4 | | | | | | | 12.2(33)SB3 | | |------------+-------------------------------------+----------------| | 12.2SBC | Vulnerable; first fixed in 12.2SB | 12.2(33)SB4 | |------------+-------------------------------------+----------------| | 12.2SCA | Vulnerable; first fixed in 12.2SCB | 12.2(33)SCB1 | |------------+-------------------------------------+----------------| | 12.2SCB | 12.2(33)SCB1 | 12.2(33)SCB1 | |------------+-------------------------------------+----------------| | | 12.2(50)SE | | | | | | | 12.2SE | 12.2(46)SE2 | 12.2(44)SE6 | | | | | | | 12.2(44)SE5 | | |------------+-------------------------------------+----------------| | 12.2SEA | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2SEB | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2SEC | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2SED | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2SEE | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2SEF | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | 12.2SEG | Vulnerable; first fixed in 12.2SE | 12.2(44)SE6 | |------------+-------------------------------------+----------------| | | | 12.2(52)SG; | | 12.2SG | 12.2(50)SG | Available on | | | | 15-MAY-2009 | |------------+-------------------------------------+----------------| | 12.2SGA | 12.2(31)SGA9 | 12.2(31)SGA9 | |------------+-------------------------------------+----------------| | 12.2SL | Not Vulnerable | | |------------+-------------------------------------+----------------| | 12.2SM | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2SO | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2SQ | 12.2(44)SQ1 | | |------------+-------------------------------------+----------------| | | | 12.2(33)SRD1 | | | | | | 12.2SRA | Vulnerable; first fixed in 12.2SRC | 12.2(33)SRC4; | | | | Available on | | | | 18-MAY-2009 | |------------+-------------------------------------+----------------| | | | 12.2(33)SRC4; | | | | Available on | | | | 18-MAY-2009 | | | | | | 12.2SRB | Vulnerable; first fixed in 12.2SRC | 12.2(33)SRD1 | | | | | | | | 12.2(33)SRB5a; | | | | Available on | | | | 3-April-2009 | |------------+-------------------------------------+----------------| | | 12.2(33)SRC4; Available on | 12.2(33)SRC4; | | 12.2SRC | 18-MAY-2009 | Available on | | | | 18-MAY-2009 | |------------+-------------------------------------+----------------| | 12.2SRD | Not Vulnerable | | |------------+-------------------------------------+----------------| | 12.2STE | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.2SU | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.2SV | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2SVA | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2SVC | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2SVD | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2SVE | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2SW | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2SX | Vulnerable; first fixed in 12.2SXF | 12.2(18)SXF16 | |------------+-------------------------------------+----------------| | 12.2SXA | Vulnerable; first fixed in 12.2SXF | 12.2(18)SXF16 | |------------+-------------------------------------+----------------| | 12.2SXB | Vulnerable; first fixed in 12.2SXF | 12.2(18)SXF16 | |------------+-------------------------------------+----------------| | 12.2SXD | Vulnerable; first fixed in 12.2SXF | 12.2(18)SXF16 | |------------+-------------------------------------+----------------| | 12.2SXE | Vulnerable; first fixed in 12.2SXF | 12.2(18)SXF16 | |------------+-------------------------------------+----------------| | 12.2SXF | 12.2(18)SXF16 | 12.2(18)SXF16 | |------------+-------------------------------------+----------------| | | 12.2(33)SXH5; Available on | 12.2(33)SXH5; | | 12.2SXH | 20-APR-2009 | Available on | | | | 20-APR-2009 | |------------+-------------------------------------+----------------| | 12.2SXI | Not Vulnerable | | |------------+-------------------------------------+----------------| | 12.2SY | Vulnerable; first fixed in 12.2SB | 12.2(33)SB4 | |------------+-------------------------------------+----------------| | 12.2SZ | Vulnerable; first fixed in 12.2SB | 12.2(33)SB4 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2T | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.2TPC | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XA | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XB | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XC | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XD | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XE | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | Vulnerable; migrate to 12.2SCB or | 12.2(33)SCB1 | | 12.2XF | 12.3BC | | | | | 12.3(23)BC6 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XG | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XH | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XI | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XJ | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XK | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XL | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XM | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.2(33)SB4 | | 12.2XN | Vulnerable; first fixed in 12.2SRC | | | | | 12.2(33)SRD1 | |------------+-------------------------------------+----------------| | 12.2XNA | Vulnerable; migrate to any release | 12.2(33)SRD1 | | | in 12.2SRD | | |------------+-------------------------------------+----------------| | 12.2XNB | 12.2(33)XNB1 | 12.2(33)XNB3 | |------------+-------------------------------------+----------------| | 12.2XNC | Not Vulnerable | | |------------+-------------------------------------+----------------| | 12.2XO | 12.2(46)XO | 12.2(46)XO | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XQ | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XR | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XS | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XT | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XU | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XV | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2XW | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2YA | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.2YB | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YC | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YD | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YE | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YF | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YG | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YH | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YJ | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YK | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YL | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.2YM | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.2YN | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YO | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2YP | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.2YQ | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YR | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YS | Not Vulnerable | | |------------+-------------------------------------+----------------| | 12.2YT | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YU | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YV | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YW | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YX | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YY | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2YZ | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2ZA | Vulnerable; first fixed in 12.2SXF | 12.2(18)SXF16 | |------------+-------------------------------------+----------------| | 12.2ZB | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2ZC | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2ZD | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2ZE | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.2ZF | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.2ZG | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.2ZH | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.2ZJ | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2ZL | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2ZP | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.2(33)SXH5; | | 12.2ZU | Vulnerable; first fixed in 12.2SXH | Available on | | | | 20-APR-2009 | |------------+-------------------------------------+----------------| | 12.2ZX | Vulnerable; first fixed in 12.2SB | 12.2(33)SB4 | |------------+-------------------------------------+----------------| | 12.2ZY | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.2ZYA | 12.2(18)ZYA1 | 12.2(18)ZYA1 | |------------+-------------------------------------+----------------| | Affected | | Recommended | | 12.3-Based | First Fixed Release | Release | | Releases | | | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.3 | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3B | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.3BC | 12.3(23)BC6 | 12.3(23)BC6 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3BW | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.3EU | Not Vulnerable | | |------------+-------------------------------------+----------------| | 12.3JA | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.3JEA | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.3JEB | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.3JEC | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3JK | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.3JL | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.3JX | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3T | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.3TPC | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.3VA | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.3XA | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.3XB | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XC | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XD | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.3XE | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.3XF | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XG | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.3XI | Vulnerable; first fixed in 12.2SB | 12.2(33)SB4 | |------------+-------------------------------------+----------------| | 12.3XJ | Vulnerable; first fixed in 12.3YX | 12.3(14)YX14 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XK | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XL | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XQ | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(18e) | | | | | | 12.3XR | Vulnerable; first fixed in 12.4 | 12.4(23a); | | | | Available on | | | | 30-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XS | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XU | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.3XW | Vulnerable; first fixed in 12.3YX | 12.3(14)YX14 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XX | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XY | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3XZ | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YA | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YD | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.3YF | Vulnerable; first fixed in 12.3YX | 12.3(14)YX14 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YG | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YH | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YI | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YJ | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YK | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.3YM | 12.3(14)YM13 | 12.3(14)YM13 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YQ | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YS | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YT | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3YU | Vulnerable; first fixed in 12.4XB | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.3YX | 12.3(14)YX14 | 12.3(14)YX14 | |------------+-------------------------------------+----------------| | 12.3YZ | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.3ZA | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | Affected | | Recommended | | 12.4-Based | First Fixed Release | Release | | Releases | | | |------------+-------------------------------------+----------------| | | 12.4(18e) | 12.4(18e) | | | | | | 12.4 | 12.4(23) | 12.4(23a); | | | | Available on | | | 12.4(23a); Available on 30-APR-2009 | 30-APR-2009 | |------------+-------------------------------------+----------------| | 12.4JA | 12.4(16b)JA1 | | |------------+-------------------------------------+----------------| | 12.4JDA | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.4JK | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.4JL | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.4JMA | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.4JMB | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.4JX | Vulnerable; first fixed in 12.4JA | | |------------+-------------------------------------+----------------| | 12.4MD | 12.4(11)MD7 | 12.4(11)MD7 | |------------+-------------------------------------+----------------| | 12.4MR | 12.4(19)MR1 | 12.4(19)MR2 | |------------+-------------------------------------+----------------| | 12.4SW | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | | 12.4(20)T2 | | | | | 12.4(22)T1 | | | 12.4(15)T8 | | | 12.4T | | 12.4(15)T9; | | | 12.4(22)T | Available on | | | | 29-APR-2009 | | | 12.4(15)T9; Available on | | | | 29-APR-2009 | | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.4XA | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | 12.4(15)T8 | 12.4(22)T1 | | | | | | 12.4XB | 12.4(20)T2 | 12.4(15)T9; | | | | Available on | | | 12.4(15)T9; Available on | 29-APR-2009 | | | 29-APR-2009 | | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.4XC | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | 12.4(4)XD12; Available on | 12.4(4)XD12; | | 12.4XD | 27-MAR-2009 | Available on | | | | 27-MAR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.4XE | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.4XF | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | 12.4(15)T8 | | | 12.4XG | | 12.4(15)T9; | | | 12.4(20)T2 | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.4XJ | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.4XK | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.4XL | 12.4(15)XL4 | 12.4(15)XL4 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.4XM | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.4XN | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.4XP | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.4XQ | 12.4(15)XQ2 | 12.4(15)XQ2 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.4XR | 12.4(15)XR4 | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.4XT | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.4XV | Vulnerable; contact TAC | | |------------+-------------------------------------+----------------| | 12.4XW | 12.4(11)XW10 | 12.4(11)XW10 | |------------+-------------------------------------+----------------| | | | 12.4(22)T1 | | | | | | 12.4XY | Vulnerable; first fixed in 12.4T | 12.4(15)T9; | | | | Available on | | | | 29-APR-2009 | |------------+-------------------------------------+----------------| | 12.4XZ | 12.4(15)XZ2 | 12.4(15)XZ2 | |------------+-------------------------------------+----------------| | 12.4YA | 12.4(20)YA2 | 12.4(20)YA3 | |------------+-------------------------------------+----------------| | 12.4YB | Not Vulnerable | | |------------+-------------------------------------+----------------| | 12.4YD | Not Vulnerable | | +-------------------------------------------------------------------+ Workarounds =========== If the affected Cisco IOS device requires SIP for VoIP services, SIP cannot be disabled, and therefore, no workarounds are available. Users are advised to apply mitigation techniques to help limit exposure to the vulnerability. Mitigation consists of allowing only legitimate devices to connect to the routers. To increase effectiveness, the mitigation must be coupled with anti-spoofing measures on the network edge. This action is required because SIP can use UDP as the transport protocol. Additional mitigations that can be deployed on Cisco devices within the network are available in the companion document "Cisco Applied Mitigation Bulletin: Identifying and Mitigating Exploitation of the Cisco IOS SIP and Crafted UDP Vulnerabilities", which is available at the following location: http://www.cisco.com/warp/public/707/cisco-amb-20090325-sip-and-udp.shtml Disable SIP Listening Ports +-------------------------- For devices that do not require SIP to be enabled, the simplest and most effective workaround is to disable SIP processing on the device. Some versions of Cisco IOS Software allow administrators to accomplish this with the following commands: sip-ua no transport udp no transport tcp Warning: When applying this workaround to devices that are processing Media Gateway Control Protocol (MGCP) or H.323 calls, the device will not stop SIP processing while active calls are being processed. Under these circumstances, this workaround should be implemented during a maintenance window when active calls can be briefly stopped. After applying this workaround, administrators are advised to use the show commands, as discussed in the Affected Products section of this advisory, to confirm that the Cisco IOS device is no longer processing SIP messages. Control Plane Policing +--------------------- For devices that need to offer SIP services it is possible to use Control Plane Policing (CoPP) to block SIP traffic to the device from untrusted sources. Cisco IOS Releases 12.0S, 12.2SX, 12.2S, 12.3T, 12.4, and 12.4T support the CoPP feature. CoPP may be configured on a device to protect the management and control planes to minimize the risk and effectiveness of direct infrastructure attacks by explicitly permitting only authorized traffic sent to infrastructure devices in accordance with existing security policies and configurations. The following example can be adapted to the network: !-- The 192.168.1.0/24 network and the 172.16.1.1 host are trusted. !-- Everything else is not trusted. The following access list is used !-- to determine what traffic needs to be dropped by a control plane !-- policy (the CoPP feature.) If the access list matches (permit) !-- then traffic will be dropped and if the access list does not !-- match (deny) then traffic will be processed by the router. access-list 100 deny udp 192.168.1.0 0.0.0.255 any eq 5060 access-list 100 deny tcp 192.168.1.0 0.0.0.255 any eq 5060 access-list 100 deny tcp 192.168.1.0 0.0.0.255 any eq 5061 access-list 100 deny udp host 172.16.1.1 any eq 5060 access-list 100 deny tcp host 172.16.1.1 any eq 5060 access-list 100 deny tcp host 172.16.1.1 any eq 5061 access-list 100 permit udp any any eq 5060 access-list 100 permit tcp any any eq 5060 access-list 100 permit tcp any any eq 5061 !-- Permit (Police or Drop)/Deny (Allow) all other Layer3 and Layer4 !-- traffic in accordance with existing security policies and !-- configurations for traffic that is authorized to be sent !-- to infrastructure devices. !-- Create a Class-Map for traffic to be policed by !-- the CoPP feature. class-map match-all drop-sip-class match access-group 100 !-- Create a Policy-Map that will be applied to the !-- Control-Plane of the device. policy-map drop-sip-traffic class drop-sip-class drop !-- Apply the Policy-Map to the Control-Plane of the !-- device. control-plane service-policy input drop-sip-traffic Warning: Because SIP can use UDP as a transport protocol, it is possible to easily spoof the IP address of the sender, which may defeat access control lists that permit communication to these ports from trusted IP addresses. In the above CoPP example, the access control entries (ACEs) that match the potential exploit packets with the "permit" action result in these packets being discarded by the policy-map "drop" function, while packets that match the "deny" action (not shown) are not affected by the policy-map drop function. Additional information on the configuration and use of the CoPP feature can be found at http://www.cisco.com/web/about/security/intelligence/coppwp_gs.html and http://www.cisco.com/en/US/docs/ios/12_3t/12_3t4/feature/guide/gtrtlimt.html Obtaining Fixed Software ======================== Cisco has released free software updates that address these vulnerabilities. Prior to deploying software, customers should consult their maintenance provider or check the software for feature set compatibility and known issues specific to their environment. Customers may only install and expect support for the feature sets they have purchased. By installing, downloading, accessing or otherwise using such software upgrades, customers agree to be bound by the terms of Cisco's software license terms found at http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html, or as otherwise set forth at Cisco.com Downloads at http://www.cisco.com/public/sw-center/sw-usingswc.shtml Do not contact psirt@cisco.com or security-alert@cisco.com for software upgrades. Customers with Service Contracts +------------------------------- Customers with contracts should obtain upgraded software through their regular update channels. For most customers, this means that upgrades should be obtained through the Software Center on Cisco's worldwide website at http://www.cisco.com Customers using Third Party Support Organizations +------------------------------------------------ Customers whose Cisco products are provided or maintained through prior or existing agreements with third-party support organizations, such as Cisco Partners, authorized resellers, or service providers should contact that support organization for guidance and assistance with the appropriate course of action in regards to this advisory. The effectiveness of any workaround or fix is dependent on specific customer situations, such as product mix, network topology, traffic behavior, and organizational mission. Due to the variety of affected products and releases, customers should consult with their service provider or support organization to ensure any applied workaround or fix is the most appropriate for use in the intended network before it is deployed. Customers without Service Contracts +---------------------------------- Customers who purchase direct from Cisco but do not hold a Cisco service contract, and customers who purchase through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should acquire upgrades by contacting the Cisco Technical Assistance Center (TAC). TAC contacts are as follows. * +1 800 553 2447 (toll free from within North America) * +1 408 526 7209 (toll call from anywhere in the world) * e-mail: tac@cisco.com Customers should have their product serial number available and be prepared to give the URL of this notice as evidence of entitlement to a free upgrade. Free upgrades for non-contract customers must be requested through the TAC. Refer to http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html for additional TAC contact information, including localized telephone numbers, and instructions and e-mail addresses for use in various languages. Exploitation and Public Announcements ===================================== The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability described in this advisory. This vulnerability was discovered during handling of customer service requests. Status of this Notice: FINAL ============================ THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME. A stand-alone copy or Paraphrase of the text of this document that omits the distribution URL in the following section is an uncontrolled copy, and may lack important information or contain factual errors. Distribution ============ This advisory is posted on Cisco's worldwide website at : http://www.cisco.com/warp/public/707/cisco-sa-20090325-sip.shtml In addition to worldwide web posting, a text version of this notice is clear-signed with the Cisco PSIRT PGP key and is posted to the following e-mail and Usenet news recipients. * cust-security-announce@cisco.com * first-bulletins@lists.first.org * bugtraq@securityfocus.com * vulnwatch@vulnwatch.org * cisco@spot.colorado.edu * cisco-nsp@puck.nether.net * full-disclosure@lists.grok.org.uk * comp.dcom.sys.cisco@newsgate.cisco.com Future updates of this advisory, if any, will be placed on Cisco's worldwide website, but may or may not be actively announced on mailing lists or newsgroups. Users concerned about this problem are encouraged to check the above URL for any updates. Revision History ================ +---------------------------------------+ | Revision | | Initial | | 1.0 | 2009-March-25 | public | | | | release | +---------------------------------------+ Cisco Security Procedures ========================= Complete information on reporting security vulnerabilities in Cisco products, obtaining assistance with security incidents, and registering to receive security information from Cisco, is available on Cisco's worldwide website at http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html This includes instructions for press inquiries regarding Cisco security notices. All Cisco security advisories are available at http://www.cisco.com/go/psirt -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (Darwin) iEYEARECAAYFAknKUboACgkQ86n/Gc8U/uCi+gCfZaAw0PuDJWKg2K42vzfdJe+h XHwAnRRdQQTeuhmW0liolMtU1ZzKg+Ke =VvxT -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/ . ---------------------------------------------------------------------- Secunia is pleased to announce the release of the annual Secunia report for 2008. Highlights from the 2008 report: * Vulnerability Research * Software Inspection Results * Secunia Research Highlights * Secunia Advisory Statistics Request the full 2008 Report here: http://secunia.com/advisories/try_vi/request_2008_report/ Stay Secure, Secunia ---------------------------------------------------------------------- TITLE: Cisco IOS Multiple Vulnerabilities SECUNIA ADVISORY ID: SA34438 VERIFY ADVISORY: http://secunia.com/advisories/34438/ DESCRIPTION: Some vulnerabilities have been reported in Cisco IOS, which can be exploited by malicious users to gain escalated privileges and by malicious people to cause a DoS (Denial of Service). 1) An unspecified error in the Cisco Tunneling Control Protocol (cTCP) feature can be exploited to exhaust all memory and may crash the cTCP server via a series of specially crafted TCP packets. This vulnerability is reported in Cisco IOS versions 12.4(9)T or later, which are configured for Cisco Tunneling Control Protocol (cTCP) encapsulation (disabled by default) for EZVPN server. 2) An unspecified error exists in the handling of IP sockets, which can be exploited to prevent accepting new connections or sessions, exhaust memory, cause high CPU load, or to cause a reload of an affected device. Successful exploitation of this vulnerability requires a complete TCP three-way handshake to an associated TCP port. 4) An unspecified error in the Cisco IOS SCP server (disabled by default) can be exploited to retrieve or write to arbitrary files on the device's file system, regardless of the CLI view configuration. Successful exploitation of this vulnerability requires valid user access with an attached command-line interface (CLI) view. 5) An unspecified error in the implementation of the Session Initiation Protocol (SIP) can be exploited to reload an affected device via a specially crafted SIP message. 6) An unspecified error in the handling of TCP packets can be exploited to reload an affected device via a sequence of specially crafted TCP packets. Successful exploitation of this vulnerability requires a complete TCP three-way handshake to an associated TCP port. This vulnerability is reported in Cisco IOS with the following features enabled: * Airline Product Set (ALPS) * Serial Tunnel Code (STUN) and Block Serial Tunnel Code (BSTUN) * Native Client Interface Architecture support (NCIA) * Data-link switching (DLSw) * Remote Source-Route Bridging (RSRB) * Point to Point Tunneling Protocol (PPTP) * X.25 for Record Boundary Preservation (RBP) * X.25 over TCP (XOT) * X.25 Routing 7) An unspecified error in the handling of UDP packets can be exploited to block an interface of an affected device by sending a specially crafted UDP packets. SOLUTION: Please see the following vendor advisory for fixed versions. http://www.cisco.com/warp/public/707/cisco-sa-20090325-bundle.shtml PROVIDED AND/OR DISCOVERED BY: 1, 3, 5 - 9) Reported by the vendor. 2) The vendor also credits Jens Link. 4) The vendor credits Kevin Graham. ORIGINAL ADVISORY: Cisco: http://www.cisco.com/warp/public/707/cisco-sa-20090325-ctcp.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090325-ip.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090325-mobileip.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090325-scp.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090325-sip.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090325-tcp.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090325-udp.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090325-webvpn.shtml OTHER REFERENCES: http://www.cisco.com/warp/public/707/cisco-amb-20090325-sip-and-udp.shtml http://www.cisco.com/warp/public/707/cisco-amb-20090325-ctcp.shtml ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. 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AFFECTED PRODUCTS