Directory traversal vulnerability in openpam_configure.c in OpenPAM before r478 on FreeBSD 8.1 allows local users to load arbitrary DSOs and gain privileges via a .
Published Nov 17, 2011
6.9
MEDIUMCVSS 2.0
EPSS 0.91%
Description
Directory traversal vulnerability in openpam_configure.c in OpenPAM before r478 on FreeBSD 8.1 allows local users to load arbitrary DSOs and gain privileges via a .. (dot dot) in the service_name argument to the pam_start function, as demonstrated by a .. in the -c option to kcheckpass.
Affected products
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.
AV:L/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.91% (0.00905) | 58.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.97% (0.00971) | 57.17th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.62% (0.00622) | 68.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00050) | 21.00th | v3 (v2023.03.01) |
| Jul 7, 2024 | 0.05% (0.00052) | 20.88th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.22% (0.03220) | 84.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.22% (0.03220) | 82.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.22% (0.03220) | 65.30th | v2 (v2022.01.01) |
References (9)
- http://c-skills.blogspot.com/2011/11/openpam-trickery.html x_refsource_MISCExploit
- http://openwall.com/lists/oss-security/2011/12/07/3 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2011/12/08/9 mailing-listx_refsource_MLIST
- http://osvdb.org/76945 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/46756 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/46804 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://stealth.openwall.net/xSports/pamslam x_refsource_MISC
- http://trac.des.no/openpam/changeset/478/trunk/lib/openpam_configure.c x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71205 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://c-skills.blogspot.com/2011/11/openpam-trickery.html | x_refsource_MISCExploit | |
| http://openwall.com/lists/oss-security/2011/12/07/3 | mailing-listx_refsource_MLIST | |
| http://openwall.com/lists/oss-security/2011/12/08/9 | mailing-listx_refsource_MLIST | |
| http://osvdb.org/76945 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/46756 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/46804 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://stealth.openwall.net/xSports/pamslam | x_refsource_MISC | |
| http://trac.des.no/openpam/changeset/478/trunk/lib/openpam_configure.c | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/71205 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.