| Description: | Summary:
The remote host is missing an update for the 'xorg-server' package(s) announced via the USN-1232-1 advisory.
Vulnerability Insight:
It was discovered that the X server incorrectly handled certain malformed
input. An authorized attacker could exploit this to cause the X server to
crash, leading to a denial or service, or possibly execute arbitrary code
with root privileges. This issue only affected Ubuntu 10.04 LTS and 10.10.
(CVE-2010-4818)
It was discovered that the X server incorrectly handled certain malformed
input. An authorized attacker could exploit this to cause the X server to
crash, leading to a denial or service, or possibly read arbitrary data from
the X server process. This issue only affected Ubuntu 10.04 LTS.
(CVE-2010-4819)
Vladz discovered that the X server incorrectly handled lock files. A local
attacker could use this flaw to determine if a file existed or not.
(CVE-2011-4028)
Vladz discovered that the X server incorrectly handled setting lock file
permissions. A local attacker could use this flaw to gain read permissions
on arbitrary files and view sensitive information. (CVE-2011-4029)
Affected Software/OS:
'xorg-server' package(s) on Ubuntu 10.04, Ubuntu 10.10, Ubuntu 11.04, Ubuntu 11.10.
Solution:
Please install the updated package(s).
CVSS Score:
8.5
CVSS Vector:
AV:N/AC:M/Au:S/C:C/I:C/A:C
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