Ubuntu Security Notice USN-537-2
1st November, 2007
compiz vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.10
Software description
- compiz
Details
USN-537-1 fixed vulnerabilities in gnome-screensaver. The fixes were
incomplete, and only reduced the scope of the vulnerability, without
fully solving it. This update fixes related problems in compiz.
Original advisory details:
Jens Askengren discovered that gnome-screensaver became confused when
running under Compiz, and could lose keyboard lock focus. A local attacker
could exploit this to bypass the user's locked screen saver.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.10:
- compiz-core 1:0.6.0+git20071008-0ubuntu1.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to restart your session to effect
the necessary changes.