dpkg vulnerability

** - Big Thanks for Trisquel team (who) for updating so correspondingly ~!! **

Ubuntu Security Notice USN-2820-1

http://www.ubuntu.com/usn/usn-2820-1/

26th November, 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 version:

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

CVE-2015-0860