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Ubuntu Security Notice USN-2370-1
October 08, 2014

apt vulnerability
==========================================================================

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

– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS

Summary:

APT could be made to overwrite files.

Software Description:
– apt: Advanced front-end for dpkg

Details:

Guillem Jover discovered that APT incorrectly created a temporary file when
handling the changelog command. A local attacker could use this issue to
overwrite arbitrary files. In the default installation of Ubuntu, this
should be prevented by the kernel link restrictions.

Update instructions:

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

Ubuntu 14.04 LTS:
apt 1.0.1ubuntu2.5

Ubuntu 12.04 LTS:
apt 0.8.16~exp12ubuntu10.21

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

References:
http://www.ubuntu.com/usn/usn-2370-1
CVE-2014-7206

Package Information:
https://launchpad.net/ubuntu/+source/apt/1.0.1ubuntu2.5
https://launchpad.net/ubuntu/+source/apt/0.8.16~exp12ubuntu10.21

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