USN-1217-1: Puppet vulnerability

Ubuntu Security Notice USN-1217-1

28th 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 - centralised configuration management for networks


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 version:

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.