Ubuntu 10.04 LTS / 12.04 LTS / 12.10 / 13.10 / 14.04 : dpkg vulnerability (USN-2183-2)

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


Synopsis :

The remote Ubuntu host is missing one or more security-related patches.

Description :

USN-2183-1 fixed a vulnerability in dpkg. Javier Serrano Polo
discovered that the fix introduced a vulnerability in releases with an
older version of the patch utility. This update fixes the problem.

Jakub Wilk discovered that dpkg incorrectly certain paths and symlinks
when unpacking source packages. If a user or an automated system were
tricked into unpacking a specially crafted source package, a remote
attacker could modify files outside the target unpack directory,
leading to a denial of service or potentially gaining access to the
system.

Solution :

Update the affected dpkg-dev and / or libdpkg-perl packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 73820 ()

Bugtraq ID:

CVE ID: CVE-2014-0471