ID

VAR-201101-0005

CVE

CVE-2009-5038

TITLE

Cisco IOS Service disruption in (DoS) Vulnerabilities

DESCRIPTION

Cisco IOS before 15.0(1)XA does not properly handle IRC traffic during a specific time period after an initial reload, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a certain IRC server, related to a "corrupted magic value," aka Bug ID CSCso05336. The problem is Bug ID CSCso05336 It is a problem.By a third party IRC Service disruption via connection to server (DoS) There is a possibility of being put into a state. Cisco IOS is prone to a remote denial-of-service vulnerability. An attacker can exploit this issue to cause denial-of-service conditions. Versions prior to Cisco IOS 15.0(1)XA are vulnerable. This issue being tracked by Cisco bug ID CSCso05336. Cisco IOS is an operating system developed by Cisco in the United States for its network equipment. This vulnerability is related to \"broken magic value\". ---------------------------------------------------------------------- Secure your corporate defenses and reduce complexity in handling vulnerability threats with the new Secunia Vulnerability Intelligence Manager (VIM). Request a free trial: http://secunia.com/products/corporate/vim/ ---------------------------------------------------------------------- TITLE: Cisco IOS Multiple Vulnerabilities SECUNIA ADVISORY ID: SA42917 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/42917/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=42917 RELEASE DATE: 2011-01-18 DISCUSS ADVISORY: http://secunia.com/advisories/42917/#comments AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s) http://secunia.com/advisories/42917/ ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS https://ca.secunia.com/?page=viewadvisory&vuln_id=42917 ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/ DESCRIPTION: Some vulnerabilities have been reported in Cisco IOS, which can be exploited by malicious users to bypass certain security restrictions and by malicious people to cause a DoS (Denial of Service). 1) An error when processing certain IRC traffic can be exploited to cause a device reload by accessing an IRC channel within 36 hours of a reload. 2) An error in the CME (Communication Manager Express) component when handling a SNR number change menu from an extension mobility phone can be exploited to crash the device. 3) A memory leak when processing UDP SIP REGISTER packets can be exploited to exhaust memory resources via a specially crafted SIP packet. 4) An error in the PKI implementation does not clear the public key cache for the peers when the certificate map is changed. This can be exploited to reconnect and bypass the certificate ban. 5) A memory fragmentation error in the CME (Communication Manager Express) component when handling SIP TRUNK traffic can be exploited to exhaust memory resources via specially crafted SIP packets. PROVIDED AND/OR DISCOVERED BY: Reported by the vendor. ORIGINAL ADVISORY: Cisco: http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdf OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ DEEP LINKS: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXPLOIT: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/advisories/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------

AFFECTED PRODUCTS