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Debian Security Advisory DSA 3862-1 (puppet - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
It was discovered that unrestricted YAML deserialisation of data sent from agents to the server in the Puppet configuration management system could result in the execution of arbitrary code. Note that this fix breaks backward compatibility with Puppet agents older than 3.2.2 and there is no safe way to restore it. This affects puppet agents running on Debian wheezy. We recommend to update to the puppet version shipped in wheezy-backports.
Affected Software
Affected Software
puppet on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), this problem has been fixed in version 3.7.2-4+deb8u1. For the unstable distribution (sid), this problem has been fixed in version 4.8.2-5. We recommend that you upgrade your puppet packages.