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CVE-2012-3867

19
FAUCET Score

CVE-2012-3867 describes a vulnerability in Puppet versions prior to 2.6.17 and 2.7.18, and Puppet Enterprise before 2.5.2, where the Common Name field in a Certificate Signing Request (CSR) does not properly restrict ANSI control sequences. This flaw allows user-assisted remote attackers to deceive administrators into signing malicious agent certificates. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial integrity impact, with no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.0CPE matchmatch criteria
cpe:2.3:a:puppet:puppet:2.6.0:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:a:puppet:puppet:2.6.1:*:*:*:*:*:*:*
2.6.2CPE matchmatch criteria
cpe:2.3:a:puppet:puppet:2.6.2:*:*:*:*:*:*:*
2.6.3CPE matchmatch criteria
cpe:2.3:a:puppet:puppet:2.6.3:*:*:*:*:*:*:*
2.6.4CPE matchmatch criteria
cpe:2.3:a:puppet:puppet:2.6.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.45%
Probability of exploitation in next 30 days
EPSS Percentile
82.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0245 is in the 73rd percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (16)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-chunky_png-0:1.2.0-3.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-ldap_fluff-0:0.1.3-1.el6_3
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-mail-0:2.3.0-3.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-net-ldap-0:0.1.1-3.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: converge-ui-devel-0:1.0.4-1.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: puppet-0:2.6.17-2.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-actionpack-1:3.0.10-10.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-activerecord-1:3.0.10-6.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-activesupport-1:3.0.10-4.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-compass-0:0.11.5-2.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-compass-960-plugin-0:0.10.4-2.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-delayed_job-0:2.1.4-2.el6cf
View patch
rubygemspatch availablevia ghsa
Product: puppetFixed in: 2.7.18
rubygemspatch availablevia ghsa
Product: puppetFixed in: 2.6.17
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 1Fixed in: puppet

Vendor Advisories (2)

rubygemsGHSA-q44r-f2hm-v76vmedium

Pupper does not properly restrict characters in Common Name field of Certificate Signing Request

Oct 24, 2017
redhatCVE-2012-3867Low

puppet: insufficient validation of agent names in CN of SSL certificate requests

Jul 10, 2012

References

lists.opensuse.org / opensuse-security-announce/2012-08/msg00006.html
Third Party Advisory
lists.opensuse.org / opensuse-updates/2012-07/msg00036.html
Third Party Advisory
puppetlabs.com / security/cve/cve-2012-3867
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
secunia.com / advisories/50014
github.com / puppetlabs/puppet/commit/dfedaa5fa841ccf335245a748b347b7c7c236640
ExploitIssue TrackingPatch
github.com / puppetlabs/puppet/commit/f3419620b42080dad3b0be14470b20a972f13c50
ExploitIssue TrackingPatch
debian.org / security/2012/dsa-2511
Third Party Advisory
ubuntu.com / usn/USN-1506-1
Third Party Advisory