Secunia Security Advisory – A weakness and a security issue have been reported in gnome-screensaver, which can be exploited by malicious people with physical access to disclose potentially sensitive information or bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/65141/sa29595.txt
Source: https://packetstormsecurity.com/files/65141/Secunia-Security-Advisory-29595.html