Ubuntu Security Notice USN-804-1
16th July, 2009
pulseaudio vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.04
- Ubuntu 8.10
- Ubuntu 8.04 LTS
Software description
- pulseaudio
Details
Tavis Ormandy, Julien Tinnes, and Yorick Koster discovered that PulseAudio did not
safely re-execute itself. A local attacker could exploit this to gain
root privileges.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 9.04:
- pulseaudio 1:0.9.14-0ubuntu20.2
- Ubuntu 8.10:
- pulseaudio 0.9.10-2ubuntu9.4
- Ubuntu 8.04 LTS:
- pulseaudio 0.9.10-1ubuntu1.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.