CVE-2011-3872

Low

Description

Puppet 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."

SeverityLow
CVSS2.6
Exploit probability—
ProductPuppet
PublishedOct 27, 2011
First seenOct 27, 2011

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
puppet puppet2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.6.8, 2.6.9, 2.6.10, 2.6.11, 2.7.2, 2.7.3, 2.7.4, 2.7.5—
puppetlabs puppet2.7.0, 2.7.1—
puppet puppet_enterprise1.2.0, 1.2.1, 1.2.2, 1.2.3—
puppetlabs puppet_enterprise_users1.0, 1.1—

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