[USN-1886-1] Puppet vulnerability

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==========================================================================
Ubuntu Security Notice USN-1886-1
June 18, 2013

puppet vulnerability
==========================================================================

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

- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

Puppet could be made to run programs if it received specially crafted
network traffic.

Software Description:
- puppet: Centralized configuration management

Details:

It was discovered that Puppet incorrectly handled YAML payloads. An
attacker on an untrusted client could use this issue to execute arbitrary
code on the master.

Update instructions:

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

Ubuntu 13.04:
puppet-common 2.7.18-4ubuntu1.1

Ubuntu 12.10:
puppet-common 2.7.18-1ubuntu1.2

Ubuntu 12.04 LTS:
puppet-common 2.7.11-1ubuntu2.3

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

References:
http://www.ubuntu.com/usn/usn-1886-1
CVE-2013-3567

Package Information:
https://launchpad.net/ubuntu/+source/puppet/2.7.18-4ubuntu1.1
https://launchpad.net/ubuntu/+source/puppet/2.7.18-1ubuntu1.2
https://launchpad.net/ubuntu/+source/puppet/2.7.11-1ubuntu2.3