Home/CVE/Directory traversal vulnerability in openpam_configure.c in OpenPAM before r478 on FreeBSD 8.1 allows local users to loa
CVE

CVE-2011-4122

Directory traversal vulnerability in openpam_configure.c in OpenPAM before r478 on FreeBSD 8.1 allows local users to loa

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.

MEDIUM · CVSS 6.9 EPSS 0.00373
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▤

Affected Products & Versions

1
freebsdall versions
⚠

Public Exploits & PoCs

2
localOpenPAM - 'pam_start()' Local Privilege Escalationverified
pocc-skills.blogspot.com · openpam-trickery.htmlc-skills.blogspot.com
▣

Scoring & Timeline

6.9
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
Published to NVD17 Nov 2011 · 07:55 PM
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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/46756Vendor Advisory
http://secunia.com/advisories/46804Vendor Advisory
http://stealth.openwall.net/xSports/pamslam
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