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[gentoo-announce] [ GLSA 201502-08 ] Libav: Multiple vulnerabilities

Posted on 07 February 2015
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201502-08
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http://security.gentoo.org/
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Severity: Normal
Title: Libav: Multiple vulnerabilities
Date: February 07, 2015
Bugs: #492582, #515234, #531832
ID: 201502-08

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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 < 9.17 >= 9.17

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-9.17"

References
==========
[ 1 ] CVE-2011-3934
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3934
[ 2 ] CVE-2011-3935
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3935
[ 3 ] CVE-2011-3946
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3946
[ 4 ] CVE-2013-0848
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0848
[ 5 ] CVE-2013-0851
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0851
[ 6 ] CVE-2013-0852
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0852
[ 7 ] CVE-2013-0860
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0860
[ 8 ] CVE-2013-0868
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0868
[ 9 ] CVE-2013-3672
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-3672
[ 10 ] CVE-2013-3674
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-3674
[ 11 ] CVE-2014-4609
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-4609
[ 12 ] Libav News November 2, 2013
https://libav.org/news.html#0.8.9

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

http://security.gentoo.org/glsa/glsa-201502-08.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 2015 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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