Puppet could be made to run programs if it received specially crafted network traffic.
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.
18 June 2013
A security issue affects these releases of Ubuntu and its derivatives:
Puppet could be made to run programs if it received specially crafted network traffic.
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.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon