RHSA-2008:0485 - Security Advisory

Topic

Updated compiz packages that prevent Compiz from breaking screen saver
grabs are now available for Red Hat Enterprise Linux 5.

This update has been rated as having low security impact by the Red Hat
Security Response Team.

Description

Compiz is an OpenGL-based window and compositing manager.

Most screen savers create a top-level fullscreen window to cover the
desktop, and grab the input with that window. Compiz has an option to
un-redirect that window, but in some cases, this breaks the grab and
compromises the locked screen. (CVE-2007-3920)

Users of compiz are advised to upgrade to these updated packages, which
remove this option to resolve this issue.

Solution

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

Affected Products

• Red Hat Enterprise Linux Server 5 x86_64
• Red Hat Enterprise Linux Server 5 i386
• Red Hat Enterprise Linux Workstation 5 x86_64
• Red Hat Enterprise Linux Workstation 5 i386
• Red Hat Enterprise Linux Desktop 5 x86_64
• Red Hat Enterprise Linux Desktop 5 i386
• Red Hat Enterprise Linux Server from RHUI 5 x86_64
• Red Hat Enterprise Linux Server from RHUI 5 i386

Fixes

• BZ - 350271 - CVE-2007-3920 gnome-screensaver loses keyboard grab when running under compiz

CVEs

• CVE-2007-3920

References

• http://www.redhat.com/security/updates/classification/#low