Vulnerability CVE-2010-0732
Published: 2010-03-19   Modified: 2012-02-13

Description:
gdk/gdkwindow.c in GTK+ before 2.18.5, as used in gnome-screensaver before 2.28.1, performs implicit paints on windows of type GDK_WINDOW_FOREIGN, which triggers an X error in certain circumstances and consequently allows physically proximate attackers to bypass screen locking and access an unattended workstation by pressing the Enter key many times.

Type:

CWE-362

CVSS2 => (AV:L/AC:H/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.2/10
10/10
1.9/10
Exploit range
Attack complexity
Authentication
Local
High
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
GTK -> GTK+ 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=565527
https://bugzilla.gnome.org/show_bug.cgi?id=598476
http://www.openwall.com/lists/oss-security/2010/03/05/2
http://git.gnome.org/browse/gnome-screensaver/commit/?id=ab08cc93f2dc6223c8c00bfa1ca4f2d89069dbe0
https://bugs.edge.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/446395
http://www.securityfocus.com/bid/38211
http://www.openwall.com/lists/oss-security/2010/03/16/9
http://www.openwall.com/lists/oss-security/2010/02/12/1
http://www.mandriva.com/security/advisories?name=MDVSA-2010:109
http://www.heise.de/newsticker/meldung/Gnome-Bildschirmsperre-in-OpenSuse-Linux-wirkungslos-2-Update-928580.html
http://secunia.com/advisories/39317
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00001.html
http://git.gnome.org/browse/gtk+/commit/?id=0748cf563d0d0d03001a62589f13be16a8ec06c1
http://git.gnome.org/browse/gnome-screensaver/commit/?h=gnome-2-28&id=98f8a22412cf388217fd5b88915eadd274d68520
http://ftp.gnome.org/pub/gnome/sources/gtk+/2.18/gtk+-2.18.5.news
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