USN-1928-1: Puppet vulnerabilities

Ubuntu Security Notice USN-1928-1

15th August, 2013

puppet vulnerabilities

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

  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS

Summary

Several security issues were fixed in Puppet.

Software description

  • puppet - Centralized configuration management

Details

It was discovered that Puppet incorrectly handled the resource_type
service. A local attacker on the master could use this issue to execute
arbitrary Ruby files. (CVE-2013-4761)

It was discovered that Puppet incorrectly handled permissions on the
modules it installed. Modules could be installed with the permissions that
existed when they were built, possibly exposing them to a local attacker.
(CVE-2013-4956)

Update instructions

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

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

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

CVE-2013-4761, CVE-2013-4956