USN-2077-1: Puppet vulnerability

6 January 2014

puppet vulnerability

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

  • Ubuntu 13.10
  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS

Summary

Puppet could be made to overwrite files.

Software Description

  • puppet - Centralized configuration management

Details

It was discovered that Puppet incorrectly handled temporary files. A local attacker could possibly use this issue to overwrite arbitrary files. In the default installation of Ubuntu, this should be prevented by the Yama link restrictions.

Update instructions

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

Ubuntu 13.10
puppet-common - 3.2.4-2ubuntu2.2
Ubuntu 13.04
puppet-common - 2.7.18-4ubuntu1.3
Ubuntu 12.10
puppet-common - 2.7.18-1ubuntu1.4
Ubuntu 12.04 LTS
puppet-common - 2.7.11-1ubuntu2.6

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.

References