Ubuntu Security Notice 1886-1 - 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.
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Ubuntu Security Notice USN-1886-1
June 18, 2013
puppet vulnerability
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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