MEDIUM
puppet: SSH authorized_keys symlink attack
Published Oct 27, 2011
6.3
MEDIUMCVSS 2.0
EPSS 0.35%
Description
Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink attack on the SSH authorized_keys file.
Affected products
No data.
Configuration 1
OR
- 2.6.0
- 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
- 2.7.2
- 2.7.3
- 2.7.4
- 2.7.0
- 2.7.1
No data.
Red Hat Enterprise MRG 1
puppet
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise MRG 1 | puppet | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
6.3 MEDIUM NVD
AV:L/AC:M/Au:N/C:N/I:C/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.35% 0.00352
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00352
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.35% (0.00352) | 26.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.35% (0.00352) | 26.83th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.03% (0.00025) | 4.01th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
Weaknesses (1)
References (18)
- http://groups.google.com/group/puppet-announce/browse_thread/thread/91e3b46d2328a1cb x_refsource_CONFIRMPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068053.html vendor-advisoryx_refsource_FEDORAPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068061.html vendor-advisoryx_refsource_FEDORAPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068093.html vendor-advisoryx_refsource_FEDORAPatch
- http://puppetlabs.com/security/cve/cve-2011-3870/
- http://secunia.com/advisories/46458 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.debian.org/security/2011/dsa-2314 vendor-advisoryx_refsource_DEBIAN
- http://www.ubuntu.com/usn/USN-1223-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1223-2 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2011-3870 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=742644 Issue Tracking
- https://github.com/advisories/GHSA-qh3g-27jf-3j54 Advisory
- https://github.com/puppetlabs/puppet/commit/88512e880bd2a03694b5fef42540dc7b3da05d30
- https://github.com/puppetlabs/puppet/commit/b29b1785d543a3cea961fffa9b3c15f14ab7cce0
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puppet/CVE-2011-3870.yml
- https://nvd.nist.gov/vuln/detail/CVE-2011-3870
- https://puppet.com/security/cve/cve-2011-3870 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2011-3870
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 27, 2011
Updated Aug 6, 2024
Reserved Sep 29, 2011
Link CVE-2011-3870
CISA Vulnrichment
GHSA-QH3G-27JF-3J54 Updated n/a