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

Summary

Several security issues were fixed in Puppet.

Software description

  • puppet - Centralized configuration management

Details

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 version:

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

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-2014-3248, CVE-2017-2295