Libav: Multiple vulnerabilities

1.  Gentoo Linux Security Advisory

Version Information

Related bugreports: #408555, #422537

Synopsis

Multiple vulnerabilities have been found in Libav, allowing attackers to execute arbitrary code or cause Denial of Service.

2.  Impact Information

Background

Libav is a complete solution to record, convert and stream audio and video.

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.

3.  Resolution Information

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"

4.  References

• CVE-2011-3929
• CVE-2011-3936
• CVE-2011-3937
• CVE-2011-3937
• CVE-2011-3940
• CVE-2011-3945
• CVE-2011-3947
• CVE-2011-3951
• CVE-2011-3952
• CVE-2012-0848
• CVE-2012-0851
• CVE-2012-0852
• CVE-2012-0853
• CVE-2012-0858
• CVE-2012-0947