Ubuntu Security Update USN-3308-1: Puppet vulnerabilities

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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

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