USN-3308-1: Puppet vulnerabilities

Ubuntu Security Notice USN-3308-1

5th 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.

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.

Update instructions

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

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.


CVE-2014-3248, CVE-2017-2295