USN-1209-1: FFmpeg vulnerabilities

Releases

• Ubuntu 10.10
• Ubuntu 10.04

Packages

• ffmpeg - multimedia player, server and encoder

Details

It was discovered that FFmpeg incorrectly handled certain malformed ogg
files. If a user were tricked into opening a crafted ogg 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. This
issue only affected Ubuntu 10.10. (CVE-2011-1196)

It was discovered that FFmpeg incorrectly handled certain malformed AMV
files. If a user were tricked into opening a crafted AMV 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. This
issue only affected Ubuntu 10.10. (CVE-2011-1931)

It was discovered that FFmpeg incorrectly handled certain malformed APE
files. If a user were tricked into opening a crafted APE file, an attacker
could cause a denial of service via application crash. (CVE-2011-2161)

Emmanouel Kellinis discovered that FFmpeg incorrectly handled certain
malformed CAVS files. If a user were tricked into opening a crafted CAVS
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. (CVE-2011-3362)

Update instructions

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

Ubuntu 10.10

• libavformat52 - 4:0.6-2ubuntu6.2
• libavcodec52 - 4:0.6-2ubuntu6.2

Ubuntu 10.04

• libavformat52 - 4:0.5.1-1ubuntu1.2
• libavcodec52 - 4:0.5.1-1ubuntu1.2

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

References

• CVE-2011-2161
• CVE-2011-1931
• CVE-2011-1196
• CVE-2011-3362

Related notices

• USN-1209-2: libavformat52, libavcodec52, libav