Ubuntu 8.04 LTS / 9.10 / 10.04 LTS / 10.10 : x11-xserver-utils vulnerability (USN-1107-1)

Ubuntu Security Notice (C) 2011-2013 Canonical, Inc. / NASL script (C) 2011-2013 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Sebastian Krahmer discovered that the xrdb utility incorrectly
filtered crafted hostnames. An attacker could use this flaw with a
malicious DHCP server or with a remote xdmcp login and execute
arbitrary code, resulting in root privilege escalation.

Solution :

Update the affected x11-xserver-utils package.

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.7
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 53321 ()

Bugtraq ID: 47189

CVE ID: CVE-2011-0465