[USN-3308-1] Puppet vulnerabilities

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-3308-1
June 05, 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 versions:

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

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

References:
  https://www.ubuntu.com/usn/usn-3308-1
  CVE-2014-3248, CVE-2017-2295

Package Information:
  https://launchpad.net/ubuntu/+source/puppet/3.4.3-1ubuntu1.2


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