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

Ubuntu Security Notice (C) 2014-2016 Canonical, Inc. / NASL script (C) 2014-2016 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.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

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

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