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CVE-2012-2686

Status Candidate

Overview

crypto/evp/e_aes_cbc_hmac_sha1.c in the AES-NI functionality in the TLS 1.1 and 1.2 implementations in OpenSSL 1.0.1 before 1.0.1d allows remote attackers to cause a denial of service (application crash) via crafted CBC data.

Related Files

Gentoo Linux Security Advisory 201402-08
Posted Feb 7, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201402-8 - Multiple vulnerabilities have been found in stunnel, the worst of which may cause a Denial of Service condition. Versions less than 4.56-r1 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2012-2686, CVE-2013-0166, CVE-2013-0169, CVE-2013-1762
SHA-256 | 31d749575518e8dbefa0e344dea1c1971b5f9d57ef56cd9eca9f080b0a6ae029
Gentoo Linux Security Advisory 201312-03
Posted Dec 4, 2013
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201312-3 - Multiple vulnerabilities have been found in OpenSSL allowing remote attackers to determine private keys or cause a Denial of Service. Versions less than 1.0.0i are affected.

tags | advisory, remote, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2006-7250, CVE-2011-1945, CVE-2012-0884, CVE-2012-1165, CVE-2012-2110, CVE-2012-2333, CVE-2012-2686, CVE-2013-0166, CVE-2013-0169
SHA-256 | 380511be6e419bf1f679eb548827eea73dd38dc5884aa3ee7bdc7e4fdf03aa74
Apple Security Advisory 2013-09-12-1
Posted Sep 13, 2013
Authored by Apple | Site apple.com

Apple Security Advisory 2013-09-12-1 - OS X Mountain Lion v10.8.5 and Security Update 2013-004 is now available and addresses Apache issues, BIND issues, ClamAV issues, and more.

tags | advisory
systems | apple, osx
advisories | CVE-2012-0883, CVE-2012-2686, CVE-2012-2687, CVE-2012-3499, CVE-2012-3817, CVE-2012-4244, CVE-2012-4558, CVE-2012-5166, CVE-2012-5688, CVE-2013-0166, CVE-2013-0169, CVE-2013-1025, CVE-2013-1026, CVE-2013-1027, CVE-2013-1028, CVE-2013-1029, CVE-2013-1030, CVE-2013-1031, CVE-2013-1032, CVE-2013-1033, CVE-2013-1635, CVE-2013-1643, CVE-2013-1824, CVE-2013-1899, CVE-2013-1900, CVE-2013-1901, CVE-2013-1902, CVE-2013-1903
SHA-256 | 6ba59298aa5785b3b0ac181767509f821759a4fbc0ab6e1b3056eb65c22a59a5
HP Security Bulletin HPSBUX02909
Posted Aug 2, 2013
Authored by HP | Site hp.com

HP Security Bulletin HPSBUX02909 - Potential security vulnerabilities have been identified with HP-UX Apache Web Server. These vulnerabilities could be exploited remotely to create a Denial of Service (DoS). Revision 1 of this advisory.

tags | advisory, web, denial of service, vulnerability
systems | hpux
advisories | CVE-2012-2686, CVE-2013-0166, CVE-2013-0169
SHA-256 | bd3989e7ffbbe4edf07702f6c532013ec639b2e618c84b0b6cbbc46c178961ac
Ubuntu Security Notice USN-1732-3
Posted Mar 25, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1732-3 - USN-1732-1 fixed vulnerabilities in OpenSSL. The fix for CVE-2013-0169 and CVE-2012-2686 was reverted in USN-1732-2 because of a regression. This update restores the security fix, and includes an extra fix from upstream to address the AES-NI regression. Adam Langley and Wolfgang Ettlingers discovered that OpenSSL incorrectly handled certain crafted CBC data when used with AES-NI. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 12.10. Nadhem Alfardan and Kenny Paterson discovered that the TLS protocol as used in OpenSSL was vulnerable to a timing side-channel attack known as the "Lucky Thirteen" issue. A remote attacker could use this issue to perform plaintext-recovery attacks via analysis of timing data.

tags | advisory, remote, denial of service, vulnerability, protocol
systems | linux, ubuntu
advisories | CVE-2012-2686, CVE-2013-0169, CVE-2013-0169
SHA-256 | 714d0b8055324fad3bfe313fe9719e788dc74886687fb2bdee9de630373218b6
Ubuntu Security Notice USN-1732-2
Posted Feb 28, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1732-2 - USN-1732-1 fixed vulnerabilities in OpenSSL. The fix for CVE-2013-0166 and CVE-2012-2686 introduced a regression causing decryption failures on hardware supporting AES-NI. This update temporarily reverts the security fix pending further investigation. Adam Langley and Wolfgang Ettlingers discovered that OpenSSL incorrectly handled certain crafted CBC data when used with AES-NI. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 12.10. Nadhem Alfardan and Kenny Paterson discovered that the TLS protocol as used in OpenSSL was vulnerable to a timing side-channel attack known as the "Lucky Thirteen" issue. A remote attacker could use this issue to perform plaintext-recovery attacks via analysis of timing data. Various other issues were also addressed.

tags | advisory, remote, denial of service, vulnerability, protocol
systems | linux, ubuntu
advisories | CVE-2012-2686, CVE-2013-0169
SHA-256 | 2367bcc3d45834f284f828f0ff2c01105eb0f564e86bef545dbb3c3941c12cd7
Ubuntu Security Notice USN-1732-1
Posted Feb 21, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1732-1 - Adam Langley and Wolfgang Ettlingers discovered that OpenSSL incorrectly handled certain crafted CBC data when used with AES-NI. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 12.10. Stephen Henson discovered that OpenSSL incorrectly performed signature verification for OCSP responses. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2012-2686, CVE-2013-0166, CVE-2013-0169, CVE-2012-2686, CVE-2013-0166, CVE-2013-0169
SHA-256 | 3840d7b0427c8c47a692ec2a92d448203e10c63f63d934450bf70540d9f0574d
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