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Ubuntu 11.10 USN-1674-1 Moderate: Crash Vulnerability in libav

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Calendar Grey December 19, 2012
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Security flaws in Libav for Ubuntu may result in system instability or allow unauthorized access to application execution. It is crucial to update your packages without delay.
Libav could be made to crash or run programs as your login if it opened a specially crafted file.

Summary

Libav could be made to crash or run programs as your login if it opened a

specially crafted file.

Software Description:

- libav: Multimedia player, server, encoder and transcoder

Details:

It was discovered that Libav incorrectly handled certain malformed media

files. If a user were tricked into opening a crafted media file, an

attacker could cause a denial of service via application crash, or possibly

execute arbitrary code with the privileges of the user invoking the

program.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu application crash libav

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 11.10:
  libavcodec53                    4:0.7.6-0ubuntu0.11.10.2
  libavformat53                   4:0.7.6-0ubuntu0.11.10.2

In general, a standard system update will make all the necessary changes.

References

CVE-2012-2772, CVE-2012-2775, CVE-2012-2777, CVE-2012-2779,

CVE-2012-2784, CVE-2012-2786, CVE-2012-2788, CVE-2012-2789,

CVE-2012-2790, CVE-2012-2793, CVE-2012-2794, CVE-2012-2798,

CVE-2012-2800, CVE-2012-2801

December 19, 2012

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu application crash libav

Package Information

https://launchpad.net/ubuntu/+source/libav/4:0.7.6-0ubuntu0.11.10.2

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