USN-3308-1: Puppet vulnerabilities

5 June 2017

puppet vulnerabilities

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

  • Ubuntu 14.04 LTS


Several security issues were fixed in Puppet.

Software Description

  • puppet - Centralized configuration management


Dennis Rowe discovered that Puppet incorrectly handled the search path. A local attacker could use this issue to possibly execute arbitrary code. (CVE-2014-3248)

It was discovered that Puppet incorrectly handled YAML deserialization. A remote attacker could possibly use this issue to execute arbitrary code on the master. This update is incompatible with agents older than 3.2.2. (CVE-2017-2295)

Update instructions

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

Ubuntu 14.04 LTS
puppet-common - 3.4.3-1ubuntu1.2

To update your system, please follow these instructions:

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