USN-669-1: gnome-screensaver vulnerabilities

Releases

• Ubuntu 7.10
• Ubuntu 6.06

Packages

• gnome-screensaver -

Details

It was discovered that the notify feature in gnome-screensaver could let
a local attacker read the clipboard contents of a locked session by
using Ctrl-V. (CVE-2007-6389)

Alan Matsuoka discovered that gnome-screensaver did not properly handle
network outages when using a remote authentication service. During a
network interruption, or by disconnecting the network cable, a local
attacker could gain access to locked sessions. (CVE-2008-0887)

Update instructions

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

Ubuntu 7.10

• gnome-screensaver - 2.20.0-0ubuntu4.3

Ubuntu 6.06

• gnome-screensaver - 2.14.3-0ubuntu1.1

After a standard system upgrade you need to restart all user sessions on
your computer to effect the necessary changes.

References

• CVE-2008-0887
• CVE-2007-6389