Unrated severityNVD Advisory· Published Oct 27, 2011· Updated Apr 29, 2026
CVE-2011-3872
CVE-2011-3872
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."
Affected products
24cpe:2.3:a:puppetlabs:puppet:2.7.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:puppetlabs:puppet:2.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:puppetlabs:puppet:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:puppetlabs:puppet_enterprise_users:1.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:puppetlabs:puppet_enterprise_users:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:puppetlabs:puppet_enterprise_users:1.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:2.6.0:*:*:*:*:*:*:*+ 15 more
- cpe:2.3:a:puppet:puppet:2.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.10:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.11:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.7:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.8:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.6.9:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet:2.7.5:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:1.2.0:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:puppet:puppet_enterprise:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet_enterprise:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet_enterprise:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:puppet:puppet_enterprise:1.2.3:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
11- groups.google.com/group/puppet-announce/browse_thread/thread/e7edc3a71348f3e1nvdPatch
- secunia.com/advisories/46550nvdVendor Advisory
- secunia.com/advisories/46578nvdVendor Advisory
- puppetlabs.com/blog/important-security-announcement-altnames-vulnerability/nvd
- secunia.com/advisories/46934nvd
- secunia.com/advisories/46964nvd
- www.securityfocus.com/bid/50356nvd
- www.ubuntu.com/usn/USN-1238-1nvd
- www.ubuntu.com/usn/USN-1238-2nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/70970nvd
- puppet.com/security/cve/cve-2011-3872nvd
News mentions
0No linked articles in our index yet.