| Description: | Description:
The remote host is missing an update to xorg-server
announced via advisory USN-448-1.
A security issue affects the following Ubuntu releases:
Ubuntu 5.10
Ubuntu 6.06 LTS
Ubuntu 6.10
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
Details follow:
Sean Larsson of iDefense Labs discovered that the MISC-XC extension of
Xorg did not correctly verify the size of allocated memory. An
authenticated user could send a specially crafted X11 request and
execute arbitrary code with root privileges. (CVE-2007-1003)
Greg MacManus of iDefense Labs discovered that the BDF font handling
code in Xorg and FreeType did not correctly verify the size of allocated
memory. If a user were tricked into using a specially crafted font, a
remote attacker could execute arbitrary code with root privileges.
(CVE-2007-1351, CVE-2007-1352)
Solution:
The problem can be corrected by upgrading your system to the
following package versions:
Ubuntu 5.10:
libfreetype6 2.1.7-2.4ubuntu1.3
libxfont1 1:0.99.0+cvs.20050909-1.3
xserver-xorg-core 6.8.2-77.3
Ubuntu 6.06 LTS:
libfreetype6 2.1.10-1ubuntu2.3
libxfont1 1:1.0.0-0ubuntu3.3
xserver-xorg-core 1:1.0.2-0ubuntu10.6
Ubuntu 6.10:
libfreetype6 2.2.1-5ubuntu0.1
libxfont1 1:1.2.0-0ubuntu3.1
xserver-xorg-core 1:1.1.1-0ubuntu12.2
After a standard system upgrade you need to reboot your computer to
effect the necessary changes.
http://www.securityspace.com/smysecure/catid.html?in=USN-448-1
Risk factor : Critical
CVSS Score:
9.0
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