Ubuntu Security Notice USN-537-1
23rd October, 2007
gnome-screensaver vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.10
Software description
- gnome-screensaver
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:
- gnome-screensaver 2.20.0-0ubuntu4.2
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.