Every CVE Search/ Get API key

CVE-2012-3867

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

4.3 MediumFix available

lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Request (CSR), which makes it easier for user-assisted remote attackers to trick administrators into signing a crafted agent certificate via ANSI control sequences.

Exploit likelihood

2.45%Up 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Request (CSR), which makes it easier for user-assisted remote attackers to trick administrators into signing a crafted agent certificate via ANSI control sequences.

Record
CVE-2012-3867
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-264
Updated
2026-11-02
CVE List No score

lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Request (CSR), which makes it easier for user-assisted remote attackers to trick administrators into signing a crafted agent certificate via ANSI control sequences.

Record
CVE-2012-3867
Updated
2026-11-02
EUVDEUVD-2017-0285 No score

lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Request (CSR), which makes it easier for user-assisted remote attackers to trick administrators into signing a crafted agent certificate via ANSI control sequences.

Record
EUVD-2017-0285
Updated
2026-11-03
GitHub AdvisoriesGHSA-q44r-f2hm-v76v No score

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

lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Request (CSR), which makes it easier for user-assisted remote attackers to trick administrators into signing a crafted agent certificate via ANSI control sequences.

Record
GHSA-q44r-f2hm-v76v
Updated
2026-11-02
OSV No score

lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Request (CSR), which makes it easier for user-assisted remote attackers to trick administrators into signing a crafted agent certificate via ANSI control sequences.

Record
CVE-2012-3867
Updated
2026-11-02
OSVDEBIAN-CVE-2012-3867 No score

lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Request (CSR), which makes it easier for user-assisted remote attackers to trick administrators into signing a crafted agent certificate via ANSI control sequences.

Record
DEBIAN-CVE-2012-3867
Updated
2026-11-02
OSVGHSA-q44r-f2hm-v76v No score

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

lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Request (CSR), which makes it easier for user-assisted remote attackers to trick administrators into signing a crafted agent certificate via ANSI control sequences.

Record
GHSA-q44r-f2hm-v76v
Updated
2026-11-02
OSVopenSUSE-SU-2024:10581-1 No score

ruby2.2-rubygem-puppet-3.8.7-2.2 on GA media

These are all security issues fixed in the ruby2.2-rubygem-puppet-3.8.7-2.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10581-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
puppet
RubyGems
 before 2.6.17
2.6.17
puppet
RubyGems
 2.7.0 up to 2.7.18
2.7.18
puppet
Debian:11
 before 2.7.18-1
2.7.18-1
puppet
Debian:6.0
From an advisory covering 4 CVEs
 before 2.6.2-5+squeeze6, plus listed versions
2.6.2-42.6.2-52.6.2-5+squeeze12.6.2-5+squeeze32.6.2-5+squeeze42.6.2-5+squeeze5
2.6.2-5+squeeze6
puppet
RubyGems
 before 2.6.17, plus listed versions
0.13.00.13.10.13.20.13.60.16.0
Show 39 moreShow less
0.18.40.22.40.23.00.23.10.23.20.24.00.24.10.24.20.24.30.24.40.24.50.24.60.24.70.24.80.24.90.25.00.25.10.25.20.25.30.25.40.25.50.9.22.6.02.6.12.6.102.6.112.6.122.6.132.6.142.6.152.6.162.6.22.6.32.6.42.6.52.6.62.6.72.6.82.6.9
2.6.17
puppet
RubyGems
 2.7.0 up to 2.7.18, plus listed versions
2.7.12.7.112.7.122.7.132.7.14
Show 8 moreShow less
2.7.162.7.172.7.32.7.42.7.52.7.62.7.82.7.9
2.7.18

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-3867 is a medium vulnerability (CVSS 4.3) in Puppet, published July 12, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.45%, the 84th percentile. Fixed in puppet 2.6.17.

References

Show 20 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open