CVE-2011-4122

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.

• CWE-22

• http://c-skills.blogspot.com/2011/11/openpam-trickery.htmlExploit
• 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
• http://trac.des.no/openpam/changeset/478/trunk/lib/openpam_configure.c
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71205
• http://c-skills.blogspot.com/2011/11/openpam-trickery.htmlExploit
• 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
• http://trac.des.no/openpam/changeset/478/trunk/lib/openpam_configure.c
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71205

Published

Nov 17, 2011

Last Modified

Jun 16, 2026

Status

Modified

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