USN-1217-1: Puppet vulnerability

29 September 2011

puppet vulnerability

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

  • Ubuntu 11.04
  • Ubuntu 10.10
  • Ubuntu 10.04 LTS


An attacker could send crafted input to puppet and cause it to overwrite files.

Software Description

  • puppet - Centralized configuration management - agent startup and compatib


Kristian Erik Hermansen discovered a directory traversal vulnerability in the SSLFile indirection base class. A remote attacker could exploit this to overwrite files with the privileges of the Puppet Master.

Update instructions

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

Ubuntu 11.04
puppet-common - 2.6.4-2ubuntu2.2
Ubuntu 10.10
puppet-common - 2.6.1-0ubuntu2.1
Ubuntu 10.04 LTS
puppet-common - 0.25.4-2ubuntu6.2

To update your system, please follow these instructions:

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