Ubuntu 13.10 Advisory USN-2077-1 Critical: Puppet File Overwrite

ubuntu

January 6, 2014

Puppet could be made to overwrite files.

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.

Topics Covered

security advisory critical file overwrite Ubuntu update instructions local attack Puppet

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

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