USN-2566-1: dpkg vulnerability

Publication date

9 April 2015

Overview

dpkg could be tricked into bypassing source package signature checks.


Packages

  • dpkg - Debian package management system

Details

Jann Horn discovered that dpkg incorrectly validated signatures when
extracting local source packages. If a user or an automated system were
tricked into unpacking a specially crafted source package, a remote
attacker could bypass signature verification checks.

Jann Horn discovered that dpkg incorrectly validated signatures when
extracting local source packages. If a user or an automated system were
tricked into unpacking a specially crafted source package, a remote
attacker could bypass signature verification checks.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
14.10 utopic libdpkg-perl –  1.17.13ubuntu1.1
14.04 trusty libdpkg-perl –  1.17.5ubuntu5.4
12.04 precise libdpkg-perl –  1.16.1.2ubuntu7.6
10.04 lucid dpkg-dev –  1.15.5.6ubuntu4.10

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