Solution
Please Install the Updated Packages.
Insight
Pedro Ribeiro discovered that the X.Org X server incorrectly handled memory operations when handling ImageText requests. An attacker could use this issue to cause X.Org to crash, or to possibly execute arbitrary code.
(CVE-2013-4396)
It was discovered that non-root X.Org X servers such as Xephyr incorrectly used cached xkb files. A local attacker could use this flaw to cause a xkb cache file to be loaded by another user, resulting in a denial of service.
(CVE-2013-1056)
Affected
xorg-server on Ubuntu 13.04 ,
Ubuntu 12.10 ,
Ubuntu 12.04 LTS
Severity
Classification
-
CVE CVE-2013-1056, CVE-2013-4396 -
CVSS Base Score: 6.5
AV:N/AC:L/Au:S/C:P/I:P/A:P
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