Ubuntu 13.04 : lightdm vulnerability (USN-1950-1)

Ubuntu Security Notice (C) 2013-2014 Canonical, Inc. / NASL script (C) 2013-2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

It was discovered that Light Display Manager created .Xauthority files
with incorrect permissions. A local attacker could use this flaw to
bypass access restrictions.

Solution :

Update the affected lightdm package.

Risk factor :

Low / CVSS Base Score : 2.1
(CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N)
CVSS Temporal Score : 1.8
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 69862 ()

Bugtraq ID: 62329

CVE ID: CVE-2013-4331