View Full Version : USN-474-1: xscreensaver vulnerability

June 26th, 2007, 10:30 PM
Referenced CVEs:

================================================== ========= Ubuntu Security Notice USN-474-1 June 12, 2007 xscreensaver vulnerability CVE-2007-1859 ================================================== ========= A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: xscreensaver 4.23-4ubuntu8.1 Ubuntu 6.10: xscreensaver 4.24-4ubuntu2.1 Ubuntu 7.04: xscreensaver 4.24-5ubuntu2.1 After a standard system upgrade you need to restart your session to effect the necessary changes. Details follow: It was discovered that xscreensaver did not correctly validate the return values from network authentication systems such as LDAP or NIS. A local attacker could bypass a locked screen if they were able to interrupt network connectivity.

More... (http://www.ubuntu.com/usn/usn-474-1)