[USN-2820-1] dpkg vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-2820-1
November 26, 2015

dpkg vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.10
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

dpkg-deb could be made to crash or run programs as your login if it
opened a specially crafted file.

Software Description:
- dpkg: Debian package management system

Details:

Hanno Boeck discovered that the dpkg-deb tool incorrectly handled certain
old style Debian binary packages. If a user or an automated system were
tricked into unpacking a specially crafted binary package, a remote
attacker could possibly use this issue to execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 15.10:
  dpkg                            1.18.2ubuntu5.1

Ubuntu 15.04:
  dpkg                            1.17.25ubuntu1.1

Ubuntu 14.04 LTS:
  dpkg                            1.17.5ubuntu5.5

Ubuntu 12.04 LTS:
  dpkg                            1.16.1.2ubuntu7.7

In general, a standard system update will make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2820-1
  CVE-2015-0860

Package Information:
  https://launchpad.net/ubuntu/+source/dpkg/1.18.2ubuntu5.1
  https://launchpad.net/ubuntu/+source/dpkg/1.17.25ubuntu1.1
  https://launchpad.net/ubuntu/+source/dpkg/1.17.5ubuntu5.5
  https://launchpad.net/ubuntu/+source/dpkg/1.16.1.2ubuntu7.7


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