Updated X.org packages that address a flaw in the way the X.Org X11 xfs font server starts are now available for CentOS Linux 5. This update has been rated as having moderate security impact by the Red Hat Security Response Team.
The X.Org X11 xfs font server provides a standard mechanism for an X server to communicate with a font renderer. A temporary file flaw was found in the way the X.Org X11 xfs font server startup script executes. A local user could modify the permissions of a file of their choosing, possibly elevating their local privileges. (CVE-2007-3103) Users of the X.org X11 xfs font server should upgrade to these updated packages, which contain a backported patch and are not vulnerable to this issue.
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