CVE-2011-4122

OpenPAM <r478 - Privilege Escalation

Title source: llm

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.

Exploits (1)

exploitdb WORKING POC VERIFIED

by IKCE · perllocalbsd

https://www.exploit-db.com/exploits/36296

View Code ZIP pw:eip

References (9)

[Exploit] http://c-skills.blogspot.com/2011/11/openpam-trickery.html

[Third Party Advisory, VDB Entry] http://osvdb.org/76945

[Vendor Advisory] http://secunia.com/advisories/46756

[Vendor Advisory] http://secunia.com/advisories/46804

[Various Sources] http://stealth.openwall.net/xSports/pamslam

[Various Sources] http://trac.des.no/openpam/changeset/478/trunk/lib/openpam_configure.c

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/71205

[Mailing List] http://openwall.com/lists/oss-security/2011/12/07/3

[Mailing List] http://openwall.com/lists/oss-security/2011/12/08/9

Scores

EPSS 0.0037

EPSS Percentile 59.1%

Details

CWE

CWE-22

Status published

Products (1)

freebsd/freebsd 8.1

Published Nov 17, 2011

Tracked Since Feb 18, 2026