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Gentoo Linux Security Advisory GLSA 201406-28
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http://security.gentoo.org/
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Severity: Normal
Title: Libav: Multiple vulnerabilities
Date: June 26, 2014
Bugs: #439052, #452202, #470734
ID: 201406-28

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Synopsis
========

Multiple vulnerabilities have been found in Libav, allowing attackers
to 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 < 0.8.7 >= 0.8.7

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-0.8.7”

Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying these packages.

References
==========

[ 1 ] CVE-2012-2772
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2772
[ 2 ] CVE-2012-2775
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2775
[ 3 ] CVE-2012-2776
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2776
[ 4 ] CVE-2012-2777
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2777
[ 5 ] CVE-2012-2779
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2779
[ 6 ] CVE-2012-2783
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2783
[ 7 ] CVE-2012-2784
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2784
[ 8 ] CVE-2012-2786
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2786
[ 9 ] CVE-2012-2787
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2787
[ 10 ] CVE-2012-2788
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2788
[ 11 ] CVE-2012-2789
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2789
[ 12 ] CVE-2012-2790
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2790
[ 13 ] CVE-2012-2791
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2791
[ 14 ] CVE-2012-2793
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2793
[ 15 ] CVE-2012-2794
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2794
[ 16 ] CVE-2012-2796
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2796
[ 17 ] CVE-2012-2797
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2797
[ 18 ] CVE-2012-2798
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2798
[ 19 ] CVE-2012-2800
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2800
[ 20 ] CVE-2012-2801
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2801
[ 21 ] CVE-2012-2802
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2802
[ 22 ] CVE-2012-2803
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2803
[ 23 ] CVE-2012-2804
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2804
[ 24 ] CVE-2012-5144
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5144

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201406-28.xml

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
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2014 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

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