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             AUSCERT External Security Bulletin Redistribution

                               ESB-2013.0860
                           Puppet vulnerability
                               19 June 2013

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           puppet-common
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-3567  

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-1886-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running puppet-common check for an updated version of the software 
         for their operating system.

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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

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

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===========================================================================
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