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

gentoo
Calendar Grey October 20, 2012
Dist Gentoo Esm H88
Uncovering weaknesses within Libav could empower malicious users to run arbitrary code and trigger Denial of Service errors within Gentoo systems.
Multiple vulnerabilities have been found in Libav, allowing attackers to execute arbitrary code or cause Denial of Service.

Summary

Multiple vulnerabilities have been discovered in Libav. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory Gentoo arbitrary code execution Denial of Service normal severity Libav media package

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?cvena...

Read the Full Advisory

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201210-06
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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.

Severity: Normal
Title: Libav: Multiple vulnerabilities
Date: October 20, 2012
Bugs: #408555, #422537
ID: 201210-06

Topics%20covered

Topics Covered

security advisory Gentoo arbitrary code execution Denial of Service normal severity Libav media package

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-video/libav < 0.8.3 >= 0.8.3

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.

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