| Description: | Description:
The remote host is missing an update to xserver-xorg-core
announced via advisory USN-1232-1.
Details:
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)
Solution:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 11.10:
xserver-xorg-core 2:1.10.4-1ubuntu4.1
Ubuntu 11.04:
xserver-xorg-core 2:1.10.1-1ubuntu1.3
Ubuntu 10.10:
xserver-xorg-core 2:1.9.0-0ubuntu7.5
Ubuntu 10.04 LTS:
xserver-xorg-core 2:1.7.6-2ubuntu7.8
http://www.securityspace.com/smysecure/catid.html?in=USN-1232-1
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