CVE-2012-3408

Severity: low (CVSS 2.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-08-06 · updated 2026-06-16
Weakness: CWE-287

Description

lib/puppet/network/authstore.rb in Puppet before 2.7.18, and Puppet Enterprise before 2.5.2, supports use of IP addresses in certnames without warning of potential risks, which might allow remote attackers to spoof an agent by acquiring a previously used IP address.

Affected products

Puppet Enterprise: before 2.5.2 — fixed in 2.5.2
Puppetlabs Puppet: before 2.7.18 — fixed in 2.7.18

How to fix

Upgrade to a fixed version: Puppet Enterprise 2.5.2; Puppetlabs Puppet 2.7.18. Check the vendor advisory for mitigations.

References

http://puppetlabs.com/security/cve/cve-2012-3408/
https://bugzilla.redhat.com/show_bug.cgi?id=839166
https://github.com/puppetlabs/puppet/commit/ab9150baa1b738467a33b01df1d90e076253fbbd
http://puppetlabs.com/security/cve/cve-2012-3408/
https://bugzilla.redhat.com/show_bug.cgi?id=839166
https://github.com/puppetlabs/puppet/commit/ab9150baa1b738467a33b01df1d90e076253fbbd

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