[USN-1928-1] Puppet vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-1928-1
August 15, 2013

puppet vulnerabilities
==========================================================================

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

- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in Puppet.

Software Description:
- puppet: Centralized configuration management

Details:

It was discovered that Puppet incorrectly handled the resource_type
service. A local attacker on the master could use this issue to execute
arbitrary Ruby files. (CVE-2013-4761)

It was discovered that Puppet incorrectly handled permissions on the
modules it installed. Modules could be installed with the permissions that
existed when they were built, possibly exposing them to a local attacker.
(CVE-2013-4956)

Update instructions:

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

Ubuntu 13.04:
puppet-common 2.7.18-4ubuntu1.2

Ubuntu 12.10:
puppet-common 2.7.18-1ubuntu1.3

Ubuntu 12.04 LTS:
puppet-common 2.7.11-1ubuntu2.4

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

References:
http://www.ubuntu.com/usn/usn-1928-1
CVE-2013-4761, CVE-2013-4956

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