A puppet security update has been released for Debian GNU/Linux

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Debian Security Advisory DSA-2352-1 security@debian.org
http://www.debian.org/security/ Moritz Muehlenhoff
November 22, 2011 http://www.debian.org/security/faq
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Package : puppet
Vulnerability : programming error
Problem type : remote
Debian-specific: no
CVE ID : CVE-2011-3872

It was discovered that Puppet, a centralized configuration management
solution, misgenerated certificates if the "certdnsnames" option was
used. This could lead to man in the middle attacks. More details are
available at http://puppetlabs.com/security/cve/cve-2011-3872/

For the oldstable distribution (lenny), this problem has been fixed in
version 0.24.5-3+lenny2.

For the stable distribution (squeeze), this problem has been fixed in
version 2.6.2-5+squeeze3.

For the unstable distribution (sid), this problem has been fixed in
version 2.7.6-1.

We recommend that you upgrade your puppet packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/