CVE-2011-3872

NameCVE-2011-3872
DescriptionPuppet 2.6.x before 2.6.12 and 2.7.x before 2.7.6, and Puppet Enterprise (PE) Users 1.0, 1.1, and 1.2 before 1.2.4, when signing an agent certificate, adds the Puppet master's certdnsnames values to the X.509 Subject Alternative Name field of the certificate, which allows remote attackers to spoof a Puppet master via a man-in-the-middle (MITM) attack against an agent that uses an alternate DNS name for the master, aka "AltNames Vulnerability."
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2352-1
NVD severitylow (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
puppet (PTS)wheezy2.7.23-1~deb7u3fixed
wheezy (security)2.7.23-1~deb7u4fixed
jessie (security), jessie3.7.2-4+deb8u1fixed
stretch4.8.2-5fixed
buster, sid4.10.4-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
puppetsource(unstable)2.7.6-1low
puppetsourcelenny0.24.5-3+lenny2lowDSA-2352-1
puppetsourcesqueeze2.6.2-5+squeeze3lowDSA-2352-1

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