CVE-2011-4122
MEDIUM · CVSS 6.9EPSS 0.9%EU EUVD
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.
Key facts
- CVSS score
- 6.9 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-22
- EPSS score
- 0.9% (59th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-4070)
- Published
- November 17, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-4070 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- freebsd / freebsd
References
- http://c-skills.blogspot.com/2011/11/openpam-trickery.html(Exploit)
- http://openwall.com/lists/oss-security/2011/12/07/3
- http://openwall.com/lists/oss-security/2011/12/08/9
- http://osvdb.org/76945
- http://secunia.com/advisories/46756(Vendor Advisory)
- http://secunia.com/advisories/46804(Vendor Advisory)
- http://stealth.openwall.net/xSports/pamslam
- http://trac.des.no/openpam/changeset/478/trunk/lib/openpam_configure.c
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71205
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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