GNOME Screensaver Compiz security bypass
| gnomescreensaver-compiz-security-bypass (37410) |  Medium Risk |
Description:
GNOME Screensaver when running under Compiz, could allow a local attacker to bypass security restrictions. A local attacker could exploit this vulnerability to cause the keyboard to lose lock focus and bypass the victim's secured screen saver.
Platforms Affected:
- Canonical, Ubuntu 7.10
- GNOME, GNOME Screensaver 2.20
- Novell, Linux Desktop 9
- Novell, Linux POS 9
- Novell, Open Enterprise Server
- Novell, OpenSUSE 10.2
- Novell, OpenSUSE 10.3
- Novell, SLE SDK 10 SP1
- Novell, SLE SDK 10 SP2
- Novell, SUSE Linux Enterprise Desktop 10 SP2
- Novell, SUSE Linux Enterprise Desktop 10 SP1
- Novell, SUSE Linux Enterprise Server 10 SP2
- Novell, SUSE Linux Enterprise Server 10
- Novell, SUSE Linux Enterprise Server 10 SP1
- RedHat, Enterprise Linux 5 Client
- RedHat, Enterprise Linux 5 Client Workstation
- RedHat, Enterprise Linux Optional Productivity Applications 5 Server
- SuSE, SLE SDK 10
- SuSE, SuSE SLES 9
Remedy:
For Ubuntu Linux:
Refer to USN-537-1 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Bypass Security
References:
- GNOME Screensaver Web site, GnomeScreensaver at http://live.gnome.org/GnomeScreensaver.
- BID-26188: Gnome-Screensaver With Compiz Lock Bypass Vulnerability
- CVE-2007-3920: GNOME screensaver 2.20 in Ubuntu 7.10, when used with Compiz, does not properly reserve input focus, which allows attackers with physical access to take control of the session after entering an Alt-Tab sequence, a related issue to CVE-2007-3069.
- RHSA-2008-0485: Low: compiz security update
- SUSE-SA:2008:027: X.org security problems
- USN-537-1: gnome-screensaver vulnerability
- USN-537-2: Compiz vulnerability
Reported:
Oct 23, 2007
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