Ubuntu 11.10 Advisory USN-1370-1 Critical: Libvorbis DoS Risk

ubuntu

February 20, 2012

libvorbis could be made to crash or run programs as your login if it opened a specially crafted file.

Summary

libvorbis could be made to crash or run programs as your login if it

opened a specially crafted file.

Software Description:

- libvorbis: The Vorbis General Audio Compression Codec

Details:

It was discovered that libvorbis did not correctly handle certain malformed

ogg files. If a user were tricked into opening a specially crafted ogg file

with an application that uses libvorbis, an attacker could cause a denial

of service or possibly execute arbitrary code with the user's privileges.

Topics Covered

security advisory denial of service critical ubuntu libvorbis

Update Instructions

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

Ubuntu 11.10:
  libvorbis0a                     1.3.2-1ubuntu2.1

Ubuntu 11.04:
  libvorbis0a                     1.3.2-1ubuntu1.1

Ubuntu 10.10:
  libvorbis0a                     1.3.1-1ubuntu0.1

Ubuntu 10.04 LTS:
  libvorbis0a                     1.2.3-3ubuntu1.1

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