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security advisoryGentooarbitrary code execution

Gentoo: 201210-06 Normal: Risk of Denial of Service via Libav Vulnerability

Multiple vulnerabilities have been found in Libav, allowing attackers to execute arbitrary code or cause Denial of Service.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201210-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Libav: Multiple vulnerabilities Date: October 20, 2012 Bugs: #408555, #422537 ID: 201210-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= Multiple vulnerabilities have been found in Libav, allowing attackersto execute arbitrary code or cause Denial of Service. Background ========= Libav is a complete solution to record, convert and stream audio and video. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-video/libav < 0.8.3 > = 0.8.3 Description ========== Multiple vulnerabilities have been discovered in Libav. Please review the CVE identifiers referenced below for details. Impact ===== A remote attacker could entice a user to open a specially crafted media file in an application linked against Libav, possibly resulting in execution of arbitrary code with the privileges of the application or a Denial of Service condition. Workaround ========= There is no known workaround at this time. Resolution ========= All Libav users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =media-video/libav-0.8.3" References ========= [ 1 ] CVE-2011-3929 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3929 [ 2 ] CVE-2011-3936 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3936 [ 3 ] CVE-2011-3937 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3937 [ 4 ] CVE-2011-3937 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3937 [ 5 ] CVE-2011-3940 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3940 [ 6 ] CVE-2011-3945 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3945 [ 7 ] CVE-2011-3947 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3947 [ 8 ] CVE-2011-3951 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3951 [ 9 ] CVE-2011-3952 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3952 [ 10 ] CVE-2012-0848 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0848 [ 11 ] CVE-2012-0851 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0851 [ 12 ] CVE-2012-0852 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0852 [ 13 ] CVE-2012-0853 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0853 [ 14 ] CVE-2012-0858 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0858 [ 15 ] CVE-2012-0947 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0947 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201210-06 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. Any security concerns should be addressed to This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at https://bugs.gentoo.org. License ====== Copyright 2012 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. https://creativecommons.org/licenses/by-sa/2.5/ . Uncovering weaknesses within Libav could empower malicious users to run arbitrary code and trigger Denial of Service errors within Gentoo systems.. Libav Security,Gentoo Update,Denial of Service Risk. . LinuxSecurity.com Team

Oct 20, 2012 Gentoo