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Secunia integrated with Microsoft WSUS 
http://secunia.com/blog/71/



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TITLE:
gnome-screensaver Monitor Topology Change Security Bypass Weakness

SECUNIA ADVISORY ID:
SA38565

VERIFY ADVISORY:
http://secunia.com/advisories/38565/

DESCRIPTION:
A weakness has been reported in gnome-screensaver, which can be
exploited by malicious people with physical access to bypass certain
security restrictions.

The weakness is caused due to gnome-screensaver not correctly
handling changes to the monitor topology, which can be exploited to
e.g. access locked screens by unplugging and replugging a monitor in
a certain sequence.

This is related to:
SA38468

The weakness is reported in gnome-screensaver prior to 2.28.3 under
Gnome 2.28.

SOLUTION:
Update to version 2.28.3.
http://ftp.gnome.org/pub/GNOME/sources/gnome-screensaver/2.28/

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
https://bugzilla.gnome.org/show_bug.cgi?id=609789
http://ftp.gnome.org/pub/GNOME/sources/gnome-screensaver/2.28/gnome-screensaver-2.28.3.news
https://bugzilla.redhat.com/show_bug.cgi?id=564464

OTHER REFERENCES:
SA38468:
http://secunia.com/advisories/38468/

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