It was discovered that gnome-screensaver did not correctly lock all screens when monitors get hotplugged. An attacker with physical access could use this flaw to gain access to a locked session. (CVE-2010-0285)
It was discovered that gnome-screensaver did not correctly handle keyboard grab when monitors get hotplugged. An attacker with physical access could use this flaw to gain access to a locked session. This issue only affected Ubuntu 9.10. (CVE-2010-0422)
8 March 2010
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that gnome-screensaver did not correctly lock all screens when monitors get hotplugged. An attacker with physical access could use this flaw to gain access to a locked session. (CVE-2010-0285)
It was discovered that gnome-screensaver did not correctly handle keyboard grab when monitors get hotplugged. An attacker with physical access could use this flaw to gain access to a locked session. This issue only affected Ubuntu 9.10. (CVE-2010-0422)
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon