ID

VAR-201605-0037

CVE

CVE-2016-2176

TITLE

OpenSSL of crypto/x509/x509_obj.c of X509_NAME_oneline Vulnerability in function that can retrieve important information from process stack memory

DESCRIPTION

The X509_NAME_oneline function in crypto/x509/x509_obj.c in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to obtain sensitive information from process stack memory or cause a denial of service (buffer over-read) via crafted EBCDIC ASN.1 data. OpenSSL is prone to an information-disclosure vulnerability. An attacker can exploit this issue to gain access to sensitive information that may aid in further attacks. Following product versions are affected: OpenSSL versions 1.0.2 prior to 1.0.2h OpenSSL versions 1.0.1 prior to 1.0.1t. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-16:17.openssl Security Advisory The FreeBSD Project Topic: Multiple OpenSSL vulnerabilities Category: contrib Module: openssl Announced: 2016-05-04 Credits: OpenSSL Project Affects: All supported versions of FreeBSD. Corrected: 2016-05-03 18:54:20 UTC (stable/10, 10.3-STABLE) 2016-05-04 15:25:47 UTC (releng/10.3, 10.3-RELEASE-p2) 2016-05-04 15:26:23 UTC (releng/10.2, 10.2-RELEASE-p16) 2016-05-04 15:27:09 UTC (releng/10.1, 10.1-RELEASE-p33) 2016-05-04 06:53:02 UTC (stable/9, 9.3-STABLE) 2016-05-04 15:27:09 UTC (releng/9.3, 9.3-RELEASE-p41) CVE Name: CVE-2016-2105, CVE-2016-2106, CVE-2016-2107, CVE-2016-2109, CVE-2016-2176 For general information regarding FreeBSD Security Advisories, including descriptions of the fields above, security branches, and the following sections, please visit <URL:https://security.FreeBSD.org/>. I. Background FreeBSD includes software from the OpenSSL Project. The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library. II. [CVE-2016-2176] FreeBSD does not run on any EBCDIC systems and therefore is not affected. III. IV. Workaround No workaround is available. V. Solution Perform one of the following: 1) Upgrade your vulnerable system to a supported FreeBSD stable or release / security branch (releng) dated after the correction date. Restart all daemons that use the library, or reboot the system. 2) To update your vulnerable system via a binary patch: Systems running a RELEASE version of FreeBSD on the i386 or amd64 platforms can be updated via the freebsd-update(8) utility: # freebsd-update fetch # freebsd-update install Restart all daemons that use the library, or reboot the system. 3) To update your vulnerable system via a source code patch: The following patches have been verified to apply to the applicable FreeBSD release branches. a) Download the relevant patch from the location below, and verify the detached PGP signature using your PGP utility. [FreeBSD 10.x] # fetch https://security.FreeBSD.org/patches/SA-16:17/openssl-10.patch # fetch https://security.FreeBSD.org/patches/SA-16:17/openssl-10.patch.asc # gpg --verify openssl-10.patch.asc [FreeBSD 9.3] # fetch https://security.FreeBSD.org/patches/SA-16:17/openssl-9.patc # fetch https://security.FreeBSD.org/patches/SA-16:17/openssl-9.patch.asc # gpg --verify openssl-9.patch.asc b) Apply the patch. Execute the following commands as root: # cd /usr/src # patch < /path/to/patch c) Recompile the operating system using buildworld and installworld as described in <URL:https://www.FreeBSD.org/handbook/makeworld.html>. Restart all daemons that use the library, or reboot the system. VI. Correction details The following list contains the correction revision numbers for each affected branch. Branch/path Revision - ------------------------------------------------------------------------- stable/9/ r299053 releng/9.3/ r299068 stable/10/ r298999 releng/10.1/ r299068 releng/10.2/ r299067 releng/10.3/ r299066 - ------------------------------------------------------------------------- To see which files were modified by a particular revision, run the following command, replacing NNNNNN with the revision number, on a machine with Subversion installed: # svn diff -cNNNNNN --summarize svn://svn.freebsd.org/base Or visit the following URL, replacing NNNNNN with the revision number: <URL:https://svnweb.freebsd.org/base?view=revision&revision=NNNNNN> VII. References <URL:https://www.openssl.org/news/secadv/20160503.txt> <URL:https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2105> <URL:https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2106> <URL:https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2107> <URL:https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2109> <URL:https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2176> The latest revision of this advisory is available at <URL:https://security.FreeBSD.org/advisories/FreeBSD-SA-16:17.openssl.asc> -----BEGIN PGP SIGNATURE----- iQIcBAEBCgAGBQJXKjuIAAoJEO1n7NZdz2rneZoP/jqsWr9q5MkCel2aZzfmSVhU 8CjzPwm3t48ibZqrkolAak4dbjJGhidUM/S83BvIcCdtKWyoG8D0fzemB7bBIP2L fqvd1314vuy82CgZlAyJIqzokckUPfyHhTAz9FPZW46f8A+s8znzJcaaD81tt1Xe qg9JZ61e2DZJ2NdZSJSjOpBl55gZqQq3tIwGYw027GKjiflJSvOG1n/531R4rppI x0IZpLor7XBWuiC44hPc4yasC4khWzmdaRpqcUoWVEex8g6Il6xByS2o4AgX7kE/ NBZ0mj4IMYZNQW4VUYbnkmLtWXJYYScboBKh4FRljNCG/t5u/YoSfOY8SbS9LT9K KVj56C6tQRq+/frKbPt26HbqqRTFNVn3FKxJWNQ9CLzsebobXPUYATTN2NVC8gkj S0A/lT2xnvA2YqB9HfmHOvlHS2LDv8SivJWNK4dCPOwhVm624H4qH/N+VFcwU7zc ue+BPvDYU/czsyoJDdQoWxTdkreaOY6eLAWkYAh9dEDIkZSOxgsZR7C4th6THXMu ybIy544elc3bf9vS4tGR552Wi9VntE0B1/LJ2la8l+MnYE6qZL1hbAYpvNyuPWVP EDPjOc4inaMpV62fuL1UrKH1g1HMmFUnoWhC70iS+cuLeXWFdvwBFyL420Ixkd5H zvcsfJCrazlcZ6j83Qfd =PGTh -----END PGP SIGNATURE----- . - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201612-16 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: OpenSSL: Multiple vulnerabilities Date: December 07, 2016 Bugs: #581234, #585142, #585276, #591454, #592068, #592074, #592082, #594500, #595186 ID: 201612-16 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in OpenSSL, the worst of which allows attackers to conduct a time based side-channel attack. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/openssl < 1.0.2j >= 1.0.2j Description =========== Multiple vulnerabilities have been discovered in OpenSSL. Please review the CVE identifiers and the International Association for Cryptologic Research's (IACR) paper, "Make Sure DSA Signing Exponentiations Really are Constant-Time" for further details. Impact ====== Remote attackers could cause a Denial of Service condition or have other unspecified impacts. Additionally, a time based side-channel attack may allow a local attacker to recover a private DSA key. Resolution ========== All OpenSSL users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.2j" References ========== [ 1 ] CVE-2016-2105 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2105 [ 2 ] CVE-2016-2106 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2106 [ 3 ] CVE-2016-2107 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2107 [ 4 ] CVE-2016-2108 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2108 [ 5 ] CVE-2016-2109 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2109 [ 6 ] CVE-2016-2176 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2176 [ 7 ] CVE-2016-2177 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2177 [ 8 ] CVE-2016-2178 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2178 [ 9 ] CVE-2016-2180 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2180 [ 10 ] CVE-2016-2183 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2183 [ 11 ] CVE-2016-6304 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6304 [ 12 ] CVE-2016-6305 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6305 [ 13 ] CVE-2016-6306 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6306 [ 14 ] CVE-2016-7052 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7052 [ 15 ] Make Sure DSA Signing Exponentiations Really are Constant-Time http://eprint.iacr.org/2016/594.pdf Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201612-16 Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. License ======= Copyright 2016 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5 . Here are the details from the Slackware 14.1 ChangeLog: +--------------------------+ patches/packages/openssl-1.0.1t-i486-1_slack14.1.txz: Upgraded. This update fixes the following security issues: Memory corruption in the ASN.1 encoder (CVE-2016-2108) Padding oracle in AES-NI CBC MAC check (CVE-2016-2107) EVP_EncodeUpdate overflow (CVE-2016-2105) EVP_EncryptUpdate overflow (CVE-2016-2106) ASN.1 BIO excessive memory allocation (CVE-2016-2109) EBCDIC overread (CVE-2016-2176) For more information, see: https://www.openssl.org/news/secadv/20160503.txt http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2108 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2107 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2105 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2106 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2109 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2176 (* Security fix *) patches/packages/openssl-solibs-1.0.1t-i486-1_slack14.1.txz: Upgraded. +--------------------------+ Where to find the new packages: +-----------------------------+ Thanks to the friendly folks at the OSU Open Source Lab (http://osuosl.org) for donating FTP and rsync hosting to the Slackware project! :-) Also see the "Get Slack" section on http://slackware.com for additional mirror sites near you. Updated packages for Slackware 14.0: ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/openssl-1.0.1t-i486-1_slack14.0.txz ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/openssl-solibs-1.0.1t-i486-1_slack14.0.txz Updated packages for Slackware x86_64 14.0: ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/openssl-1.0.1t-x86_64-1_slack14.0.txz ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/openssl-solibs-1.0.1t-x86_64-1_slack14.0.txz Updated packages for Slackware 14.1: ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/openssl-1.0.1t-i486-1_slack14.1.txz ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/openssl-solibs-1.0.1t-i486-1_slack14.1.txz Updated packages for Slackware x86_64 14.1: ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/openssl-1.0.1t-x86_64-1_slack14.1.txz ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/openssl-solibs-1.0.1t-x86_64-1_slack14.1.txz Updated packages for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/a/openssl-solibs-1.0.2h-i586-1.txz ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/openssl-1.0.2h-i586-1.txz Updated packages for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/a/openssl-solibs-1.0.2h-x86_64-1.txz ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/openssl-1.0.2h-x86_64-1.txz MD5 signatures: +-------------+ Slackware 14.0 packages: 033bd9509aeb07712e6bb3adf89c18e4 openssl-1.0.1t-i486-1_slack14.0.txz 9e91d781e33f7af80cbad08b245e84ed openssl-solibs-1.0.1t-i486-1_slack14.0.txz Slackware x86_64 14.0 packages: e5c77ec16e3f2fcb2f1d53d84a6ba951 openssl-1.0.1t-x86_64-1_slack14.0.txz 2de7b6196a905233036d7f38008984bd openssl-solibs-1.0.1t-x86_64-1_slack14.0.txz Slackware 14.1 packages: 96dcae05ae2f585c30de852a55eb870f openssl-1.0.1t-i486-1_slack14.1.txz 59618b061e62fd9d73ba17df7626b2e7 openssl-solibs-1.0.1t-i486-1_slack14.1.txz Slackware x86_64 14.1 packages: 3d5ebfce099917703d537ab603e58a9b openssl-1.0.1t-x86_64-1_slack14.1.txz bf3a6bbdbe835dd2ce73333822cc9f06 openssl-solibs-1.0.1t-x86_64-1_slack14.1.txz Slackware -current packages: 4889a10c5f3aa7104167c7d50eedf7ea a/openssl-solibs-1.0.2h-i586-1.txz 8e3439f35c3cb4e11ca64eebb238a52f n/openssl-1.0.2h-i586-1.txz Slackware x86_64 -current packages: b4a852bb7e86389ec228288ccb7e79bb a/openssl-solibs-1.0.2h-x86_64-1.txz bcf9dc7bb04173f002644e3ce33ab4ab n/openssl-1.0.2h-x86_64-1.txz Installation instructions: +------------------------+ Upgrade the packages as root: # upgradepkg openssl-1.0.1t-i486-1_slack14.1.txz openssl-solibs-1.0.1t-i486-1_slack14.1.txz Then, reboot the machine or restart any network services that use OpenSSL. +-----+ Slackware Linux Security Team http://slackware.com/gpg-key security@slackware.com +------------------------------------------------------------------------+ | To leave the slackware-security mailing list: | +------------------------------------------------------------------------+ | Send an email to majordomo@slackware.com with this text in the body of | | the email message: | | | | unsubscribe slackware-security | | | | You will get a confirmation message back containing instructions to | | complete the process. Please do not reply to this email address. This could lead to a heap corruption. This could lead to a heap corruption. CVE-2016-2108 David Benjamin from Google discovered that two separate bugs in the ASN.1 encoder, related to handling of negative zero integer values and large universal tags, could lead to an out-of-bounds write. For the unstable distribution (sid), these problems have been fixed in version 1.0.2h-1. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Note: the current version of the following document is available here: https://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-hpesbhf03765en_us SUPPORT COMMUNICATION - SECURITY BULLETIN Document ID: hpesbhf03765en_us Version: 1 HPESBHF03765 rev.1 - HPE ConvergedSystem 700 Solution with Comware v7 Switches using OpenSSL, Remote Denial of Service (DoS) and Disclosure of Sensitive Information NOTICE: The information in this Security Bulletin should be acted upon as soon as possible. Release Date: 2017-07-20 Last Updated: 2017-07-20 Potential Security Impact: Remote: Denial of Service (DoS), Disclosure of Sensitive Information Source: Hewlett Packard Enterprise, Product Security Response Team VULNERABILITY SUMMARY Potential security vulnerabilities in OpenSSL have been addressed in HPE Network Products including Comware v7 that is applicable for ConvergedSystem 700 solutions. The vulnerabilities could be remotely exploited resulting in Denial of Service (DoS) or disclosure of sensitive information. - HP ConvergedSystem 700 for Virtualization 1.0 - HP ConvergedSystem 700 for Virtualization 1.1 1.1 - HP ConvergedSystem 700 Virtualization 2.0 Foundation Kit 2.0 - HP ConvergedSystem 700 Virtualization 2.0 VMware Kit 2.0 - HP ConvergedSystem 700x 1.0 - HP ConvergedSystem 700x for Microsoft Solution Kit 1.0 - HP ConvergedSystem 700x v1.1 Microsoft Kit 1.1 - HP ConvergedSystem 700x v1.1 VMware Kit 1.1 BACKGROUND CVSS Base Metrics ================= Reference, CVSS V3 Score/Vector, CVSS V2 Score/Vector CVE-2016-2105 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P) CVE-2016-2106 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P) CVE-2016-2107 3.7 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L 2.6 (AV:N/AC:H/Au:N/C:P/I:N/A:N) CVE-2016-2108 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C) CVE-2016-2109 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 7.8 (AV:N/AC:L/Au:N/C:N/I:N/A:C) CVE-2016-2176 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L 6.4 (AV:N/AC:L/Au:N/C:P/I:N/A:P) Information on CVSS is documented in HPE Customer Notice HPSN-2008-002 here: https://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c01345499 RESOLUTION HPE recommends upgrading your network switches to Comware v7 Version R2422P02 which is part of the HPE ConvergedSystem 700 Solution as listed below: * CS700/CS700x 1.0 and 1.1 solution: + HPN 5900 Switch (JG510A/JH038A) (JC772A/JG554A) (JG296A) * CS700 2.0 solution: + HPE FlexFabric 5930 Switch 4slot (JH179A/JH188A) 2slot+2QSFP+ (JH178A/JH187A) * HPE has provided the following Customer Notice that includes links to documentation to assist you in maintaining your HPE ConvergedSystem 700 solution: + <http://h20565.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-a00006123en_ s> **Note:** Please contact HPE Technical Support if any assistance is needed acquiring the software updates. HISTORY Version:1 (rev.1) - 21 July 2017 Initial release Third Party Security Patches: Third party security patches that are to be installed on systems running Hewlett Packard Enterprise (HPE) software products should be applied in accordance with the customer's patch management policy. Support: For issues about implementing the recommendations of this Security Bulletin, contact normal HPE Services support channel. For other issues about the content of this Security Bulletin, send e-mail to security-alert@hpe.com. Report: To report a potential security vulnerability for any HPE supported product: Web form: https://www.hpe.com/info/report-security-vulnerability Email: security-alert@hpe.com Subscribe: To initiate a subscription to receive future HPE Security Bulletin alerts via Email: http://www.hpe.com/support/Subscriber_Choice Security Bulletin Archive: A list of recently released Security Bulletins is available here: http://www.hpe.com/support/Security_Bulletin_Archive Software Product Category: The Software Product Category is represented in the title by the two characters following HPSB. 3C = 3COM 3P = 3rd Party Software GN = HPE General Software HF = HPE Hardware and Firmware MU = Multi-Platform Software NS = NonStop Servers OV = OpenVMS PV = ProCurve ST = Storage Software UX = HP-UX Copyright 2016 Hewlett Packard Enterprise Hewlett Packard Enterprise shall not be liable for technical or editorial errors or omissions contained herein. The information provided is provided "as is" without warranty of any kind. To the extent permitted by law, neither HP or its affiliates, subcontractors or suppliers will be liable for incidental,special or consequential damages including downtime cost; lost profits; damages relating to the procurement of substitute products or services; or damages for loss of data, or software restoration. The information in this document is subject to change without notice. Hewlett Packard Enterprise and the names of Hewlett Packard Enterprise products referenced herein are trademarks of Hewlett Packard Enterprise in the United States and other countries. Other product and company names mentioned herein may be trademarks of their respective owners. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 APPLE-SA-2016-07-18-1 OS X El Capitan v10.11.6 and Security Update 2016-004 OS X El Capitan v10.11.6 and Security Update 2016-004 is now available and addresses the following: apache_mod_php Available for: OS X Yosemite v10.10.5 and OS X El Capitan v10.11 and later Impact: A remote attacker may be able to execute arbitrary code Description: Multiple issues existed in PHP versions prior to 5.5.36. These were addressed by updating PHP to version 5.5.36. CVE-2016-4650 Audio Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-4647 : Juwei Lin (@fuzzerDOTcn) of Trend Micro Audio Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to determine kernel memory layout Description: An out-of-bounds read was addressed through improved input validation. CVE-2016-4648 : Juwei Lin(@fuzzerDOTcn) of Trend Micro Audio Available for: OS X El Capitan v10.11 and later Impact: Parsing a maliciously crafted audio file may lead to the disclosure of user information Description: An out-of-bounds read was addressed through improved bounds checking. CVE-2016-4646 : Steven Seeley of Source Incite working with Trend Micro's Zero Day Initiative Audio Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to cause a system denial of service Description: A null pointer dereference was addressed through improved input validation. CVE-2016-4649 : Juwei Lin(@fuzzerDOTcn) of Trend Micro bsdiff Available for: OS X El Capitan v10.11 and later Impact: A local attacker may be able to cause unexpected application termination or arbitrary code execution Description: An integer overflow existed in bspatch. This issue was addressed through improved bounds checking. CVE-2014-9862 : an anonymous researcher CFNetwork Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to view sensitive user information Description: A permissions issue existed in the handling of web browser cookies. This issue was addressed through improved restrictions. CVE-2016-4645 : Abhinav Bansal of Zscaler Inc. CoreGraphics Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later Impact: A remote attacker may be able to execute arbitrary code Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-4637 : Tyler Bohan of Cisco Talos (talosintel.com /vulnerability-reports) CoreGraphics Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to elevate privileges Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed through improved input validation. CVE-2016-4652 : Yubin Fu of Tencent KeenLab working with Trend Micro's Zero Day Initiative FaceTime Available for: OS X El Capitan v10.11 and later Impact: An attacker in a privileged network position may be able to cause a relayed call to continue transmitting audio while appearing as if the call terminated Description: User interface inconsistencies existed in the handling of relayed calls. These issues were addressed through improved FaceTime display logic. CVE-2016-4635 : Martin Vigo Graphics Drivers Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved input validation. CVE-2016-4634 : Stefan Esser of SektionEins ImageIO Available for: OS X El Capitan v10.11 and later Impact: A remote attacker may be able to cause a denial of service Description: A memory consumption issue was addressed through improved memory handling. CVE-2016-4632 : Evgeny Sidorov of Yandex ImageIO Available for: OS X El Capitan v10.11 and later Impact: A remote attacker may be able to execute arbitrary code Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-4631 : Tyler Bohan of Cisco Talos (talosintel.com /vulnerability-reports) ImageIO Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later Impact: A remote attacker may be able to execute arbitrary code Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-4629 : Tyler Bohan of Cisco Talos (talosintel.com /vulnerability-reports) CVE-2016-4630 : Tyler Bohan of Cisco Talos (talosintel.com /vulnerability-reports) Intel Graphics Driver Available for: OS X El Capitan v10.11 and later Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-4633 : an anonymous researcher IOHIDFamily Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to execute arbitrary code with kernel privileges Description: A null pointer dereference was addressed through improved input validation. CVE-2016-4626 : Stefan Esser of SektionEins IOSurface Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to execute arbitrary code with kernel privileges Description: A use-after-free was addressed through improved memory management. CVE-2016-4625 : Ian Beer of Google Project Zero Kernel Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-1863 : Ian Beer of Google Project Zero CVE-2016-1864 : Ju Zhu of Trend Micro CVE-2016-4582 : Shrek_wzw and Proteas of Qihoo 360 Nirvan Team Kernel Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to cause a system denial of service Description: A null pointer dereference was addressed through improved input validation. CVE-2016-1865 : CESG, Marco Grassi (@marcograss) of KeenLab (@keen_lab), Tencent libc++abi Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with root privileges Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-4621 : an anonymous researcher libexpat Available for: OS X El Capitan v10.11 and later Impact: Processing maliciously crafted XML may lead to unexpected application termination or arbitrary code execution Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-0718 : Gustavo Grieco LibreSSL Available for: OS X El Capitan v10.11 and later Impact: A remote attacker may be able to execute arbitrary code Description: Multiple issues existed in LibreSSL before 2.2.7. These were addressed by updating LibreSSL to version 2.2.7. CVE-2016-2108 : Huzaifa Sidhpurwala (Red Hat), Hanno Boeck, David Benjamin (Google) Mark Brand, Ian Beer of Google Project Zero CVE-2016-2109 : Brian Carpenter libxml2 Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later Impact: Parsing a maliciously crafted XML document may lead to disclosure of user information Description: An access issue existed in the parsing of maliciously crafted XML files. This issue was addressed through improved input validation. CVE-2016-4449 : Kostya Serebryany libxml2 Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later Impact: Multiple vulnerabilities in libxml2 Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-1836 : Wei Lei and Liu Yang of Nanyang Technological University CVE-2016-4447 : Wei Lei and Liu Yang of Nanyang Technological University CVE-2016-4448 : Apple CVE-2016-4483 : Gustavo Grieco CVE-2016-4614 : Nick Wellnhofe CVE-2016-4615 : Nick Wellnhofer CVE-2016-4616 : Michael Paddon CVE-2016-4619 : Hanno Boeck libxslt Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later Impact: Multiple vulnerabilities in libxslt Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-1684 : Nicolas GrA(c)goire CVE-2016-4607 : Nick Wellnhofer CVE-2016-4608 : Nicolas GrA(c)goire CVE-2016-4609 : Nick Wellnhofer CVE-2016-4610 : Nick Wellnhofer CVE-2016-4612 : Nicolas GrA(c)goire Login Window Available for: OS X El Capitan v10.11 and later Impact: A malicious application may be able to execute arbitrary code leading to compromise of user information Description: A memory corruption issue was addressed through improved input validation. CVE-2016-4640 : Yubin Fu of Tencent KeenLab working with Trend Micro's Zero Day Initiative Login Window Available for: OS X El Capitan v10.11 and later Impact: A malicious application may be able to execute arbitrary code leading to the compromise of user information Description: A type confusion issue was addressed through improved memory handling. CVE-2016-4641 : Yubin Fu of Tencent KeenLab working with Trend Micro's Zero Day Initiative Login Window Available for: OS X El Capitan v10.11 and later Impact: A local user may be able to cause a denial of service Description: A memory initialization issue was addressed through improved memory handling. CVE-2016-4639 : Yubin Fu of Tencent KeenLab working with Trend Micro's Zero Day Initiative Login Window Available for: OS X El Capitan v10.11 and later Impact: A malicious application may be able to gain root privileges Description: A type confusion issue was addressed through improved memory handling. CVE-2016-4638 : Yubin Fu of Tencent KeenLab working with Trend Micro's Zero Day Initiative OpenSSL Available for: OS X El Capitan v10.11 and later Impact: A remote attacker may be able to execute arbitrary code Description: Multiple issues existed in OpenSSL. CVE-2016-2105 : Guido Vranken CVE-2016-2106 : Guido Vranken CVE-2016-2107 : Juraj Somorovsky CVE-2016-2108 : Huzaifa Sidhpurwala (Red Hat), Hanno Boeck, David Benjamin (Google), Mark Brand and Ian Beer of Google Project Zero CVE-2016-2109 : Brian Carpenter CVE-2016-2176 : Guido Vranken QuickTime Available for: OS X El Capitan v10.11 and later Impact: Processing a maliciously crafted FlashPix Bitmap Image may lead to unexpected application termination or arbitrary code execution Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-4596 : Ke Liu of Tencent's Xuanwu Lab CVE-2016-4597 : Ke Liu of Tencent's Xuanwu Lab CVE-2016-4600 : Ke Liu of Tencent's Xuanwu Lab CVE-2016-4602 : Ke Liu of Tencent's Xuanwu Lab QuickTime Available for: OS X El Capitan v10.11 and later Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved input validation. CVE-2016-4598 : Ke Liu of Tencent's Xuanwu Lab QuickTime Available for: OS X El Capitan v10.11 and later Impact: Processing a maliciously crafted SGI file may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved input validation. CVE-2016-4601 : Ke Liu of Tencent's Xuanwu Lab QuickTime Available for: OS X El Capitan v10.11 and later Impact: Processing a maliciously crafted Photoshop document may lead to unexpected application termination or arbitrary code execution Description: A memory corruption issue was addressed through improved input validation. CVE-2016-4599 : Ke Liu of Tencent's Xuanwu Lab Safari Login AutoFill Available for: OS X El Capitan v10.11 and later Impact: A user's password may be visible on screen Description: An issue existed in Safari's password auto-fill. This issue was addressed through improved matching of form fields. CVE-2016-4595 : Jonathan Lewis from DeARX Services (PTY) LTD Sandbox Profiles Available for: OS X El Capitan v10.11 and later Impact: A local application may be able to access the process list Description: An access issue existed with privileged API calls. This issue was addressed through additional restrictions. CVE-2016-4594 : Stefan Esser of SektionEins Note: OS X El Capitan 10.11.6 includes the security content of Safari 9.1.2. For further details see https://support.apple.com/kb/HT206900 OS X El Capitan v10.11.6 and Security Update 2016-004 may be obtained from the Mac App Store or Apple's Software Downloads web site: http://www.apple.com/support/downloads/ Information will also be posted to the Apple Security Updates web site: http://support.apple.com/kb/HT201222 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJXjXAvAAoJEIOj74w0bLRG/5EP/2v9SJTrO+/4b3A1gqC1ch8y +cJ04tXRsO7rvjKT5nCylo30U0Sanz/bUbDx4559YS7/P/IyeyZVheaTJwK8wzEy pSOPpy35hUuVIw0/p4YsuHDThSBPFMmDljTxH7elkfuBV1lPSrCkyDXc0re2HxWV xj68zAxtM0jkkhgcxb2ApZSZVXhrjUZtbY0xEVOoWKKFwbMvKfx+4xSqunwQeS1u wevs1EbxfvsZbc3pG+xYcOonbegBzOy9aCvNO1Yv1zG+AYXC5ERMq1vk3PsWOTQN ZVY1I7mvCaEfvmjq2isRw8XYapAIKISDLwMKBSYrZDQFwPQLRi1VXxQZ67Kq1M3k ah04/lr0RIcoosIcBqxD2+1UAFjUzEUNFkYivjhuaeegN2QdL7Ujegf1QjdAt8lk mmKduxYUDOaRX50Kw7n14ZveJqzE1D5I6QSItaZ9M1vR60a7u91DSj9D87vbt1YC JM/Rvf/4vonp1NjwA2JQwCiZfYliBDdn9iiCl8mzxdsSRD/wXcZCs05nnKmKsCfc 55ET7IwdG3622lVheOJGQZuucwJiTn36zC11XVzZysQd/hLD5rUKUQNX1WOgZdzs xPsslXF5MWx9jcdyWVSWxDrN0sFk+GpQFQDuVozP60xuxqR3qQ0TXir2NP39uIF5 YozOGPQFmX0OviWCQsX6 =ng+m -----END PGP SIGNATURE----- . The bug causing the vulnerability was fixed on April 18th 2015, and released as part of the June 11th 2015 security releases. The security impact of the bug was not known at the time. In previous versions of OpenSSL, ASN.1 encoding the value zero represented as a negative integer can cause a buffer underflow with an out-of-bounds write in i2c_ASN1_INTEGER. The ASN.1 parser does not normally create "negative zeroes" when parsing ASN.1 input, and therefore, an attacker cannot trigger this bug. However, a second, independent bug revealed that the ASN.1 parser (specifically, d2i_ASN1_TYPE) can misinterpret a large universal tag as a negative zero value. Large universal tags are not present in any common ASN.1 structures (such as X509) but are accepted as part of ANY structures. Therefore, if an application deserializes untrusted ASN.1 structures containing an ANY field, and later reserializes them, an attacker may be able to trigger an out-of-bounds write. This has been shown to cause memory corruption that is potentially exploitable with some malloc implementations. Applications that parse and re-encode X509 certificates are known to be vulnerable. Applications that verify RSA signatures on X509 certificates may also be vulnerable; however, only certificates with valid signatures trigger ASN.1 re-encoding and hence the bug. Specifically, since OpenSSL's default TLS X509 chain verification code verifies the certificate chain from root to leaf, TLS handshakes could only be targeted with valid certificates issued by trusted Certification Authorities. OpenSSL 1.0.2 users should upgrade to 1.0.2c OpenSSL 1.0.1 users should upgrade to 1.0.1o This vulnerability is a combination of two bugs, neither of which individually has security impact. The first bug (mishandling of negative zero integers) was reported to OpenSSL by Huzaifa Sidhpurwala (Red Hat) and independently by Hanno Böck in April 2015. The second issue (mishandling of large universal tags) was found using libFuzzer, and reported on the public issue tracker on March 1st 2016. The fact that these two issues combined present a security vulnerability was reported by David Benjamin (Google) on March 31st 2016. The fixes were developed by Steve Henson of the OpenSSL development team, and David Benjamin. The OpenSSL team would also like to thank Mark Brand and Ian Beer from the Google Project Zero team for their careful analysis of the impact. The fix for the "negative zero" memory corruption bug can be identified by commits 3661bb4e7934668bd99ca777ea8b30eedfafa871 (1.0.2) and 32d3b0f52f77ce86d53f38685336668d47c5bdfe (1.0.1) Padding oracle in AES-NI CBC MAC check (CVE-2016-2107) ====================================================== Severity: High A MITM attacker can use a padding oracle attack to decrypt traffic when the connection uses an AES CBC cipher and the server support AES-NI. This issue was introduced as part of the fix for Lucky 13 padding attack (CVE-2013-0169). The padding check was rewritten to be in constant time by making sure that always the same bytes are read and compared against either the MAC or padding bytes. But it no longer checked that there was enough data to have both the MAC and padding bytes. OpenSSL 1.0.2 users should upgrade to 1.0.2h OpenSSL 1.0.1 users should upgrade to 1.0.1t This issue was reported to OpenSSL on 13th of April 2016 by Juraj Somorovsky using TLS-Attacker. The fix was developed by Kurt Roeckx of the OpenSSL development team. EVP_EncodeUpdate overflow (CVE-2016-2105) ========================================= Severity: Low An overflow can occur in the EVP_EncodeUpdate() function which is used for Base64 encoding of binary data. If an attacker is able to supply very large amounts of input data then a length check can overflow resulting in a heap corruption. Internally to OpenSSL the EVP_EncodeUpdate() function is primarly used by the PEM_write_bio* family of functions. These are mainly used within the OpenSSL command line applications. These internal uses are not considered vulnerable because all calls are bounded with length checks so no overflow is possible. User applications that call these APIs directly with large amounts of untrusted data may be vulnerable. (Note: Initial analysis suggested that the PEM_write_bio* were vulnerable, and this is reflected in the patch commit message. This is no longer believed to be the case). OpenSSL 1.0.2 users should upgrade to 1.0.2h OpenSSL 1.0.1 users should upgrade to 1.0.1t This issue was reported to OpenSSL on 3rd March 2016 by Guido Vranken. The fix was developed by Matt Caswell of the OpenSSL development team. EVP_EncryptUpdate overflow (CVE-2016-2106) ========================================== Severity: Low An overflow can occur in the EVP_EncryptUpdate() function. If an attacker is able to supply very large amounts of input data after a previous call to EVP_EncryptUpdate() with a partial block then a length check can overflow resulting in a heap corruption. Following an analysis of all OpenSSL internal usage of the EVP_EncryptUpdate() function all usage is one of two forms. The first form is where the EVP_EncryptUpdate() call is known to be the first called function after an EVP_EncryptInit(), and therefore that specific call must be safe. The second form is where the length passed to EVP_EncryptUpdate() can be seen from the code to be some small value and therefore there is no possibility of an overflow. Since all instances are one of these two forms, it is believed that there can be no overflows in internal code due to this problem. It should be noted that EVP_DecryptUpdate() can call EVP_EncryptUpdate() in certain code paths. Also EVP_CipherUpdate() is a synonym for EVP_EncryptUpdate(). All instances of these calls have also been analysed too and it is believed there are no instances in internal usage where an overflow could occur. This could still represent a security issue for end user code that calls this function directly. OpenSSL 1.0.2 users should upgrade to 1.0.2h OpenSSL 1.0.1 users should upgrade to 1.0.1t This issue was reported to OpenSSL on 3rd March 2016 by Guido Vranken. The fix was developed by Matt Caswell of the OpenSSL development team. ASN.1 BIO excessive memory allocation (CVE-2016-2109) ===================================================== Severity: Low When ASN.1 data is read from a BIO using functions such as d2i_CMS_bio() a short invalid encoding can casuse allocation of large amounts of memory potentially consuming excessive resources or exhausting memory. Any application parsing untrusted data through d2i BIO functions is affected. The memory based functions such as d2i_X509() are *not* affected. Since the memory based functions are used by the TLS library, TLS applications are not affected. OpenSSL 1.0.2 users should upgrade to 1.0.2h OpenSSL 1.0.1 users should upgrade to 1.0.1t This issue was reported to OpenSSL on 4th April 2016 by Brian Carpenter. The fix was developed by Stephen Henson of the OpenSSL development team. EBCDIC overread (CVE-2016-2176) =============================== Severity: Low ASN1 Strings that are over 1024 bytes can cause an overread in applications using the X509_NAME_oneline() function on EBCDIC systems. This could result in arbitrary stack data being returned in the buffer. OpenSSL 1.0.2 users should upgrade to 1.0.2h OpenSSL 1.0.1 users should upgrade to 1.0.1t This issue was reported to OpenSSL on 5th March 2016 by Guido Vranken. The fix was developed by Matt Caswell of the OpenSSL development team. Note ==== As per our previous announcements and our Release Strategy (https://www.openssl.org/policies/releasestrat.html), support for OpenSSL version 1.0.1 will cease on 31st December 2016. No security updates for that version will be provided after that date. Users of 1.0.1 are advised to upgrade. Support for versions 0.9.8 and 1.0.0 ended on 31st December 2015. Those versions are no longer receiving security updates. References ========== URL for this Security Advisory: https://www.openssl.org/news/secadv/20160503.txt Note: the online version of the advisory may be updated with additional details over time. For details of OpenSSL severity classifications please see: https://www.openssl.org/policies/secpolicy.html

AFFECTED PRODUCTS