{"id":"CVE-2011-4122","aliases":["EUVD-2011-4070","GHSA-xh8r-pw4r-9vx4"],"status":"published","title":"Directory traversal vulnerability in openpam_configure.c in OpenPAM before r478 on FreeBSD 8.1...","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.","severity":{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00885,"percentile":0.59478,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-22"],"published":"2011-11-17T19:00:00Z","modified":"2026-06-16T23:34:28Z","exploits":[{"source":"exploitdb","id":"EDB-36296","title":"OpenPAM - 'pam_start()' Local Privilege Escalation","type":"local","platform":"bsd","date":"2011-11-09","verified":true,"url":"https://www.exploit-db.com/exploits/36296"}],"products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"http://stealth.openwall.net/xSports/pamslam","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/46756","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://openwall.com/lists/oss-security/2011/12/07/3","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://trac.des.no/openpam/changeset/478/trunk/lib/openpam_configure.c","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/71205","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://osvdb.org/76945","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://c-skills.blogspot.com/2011/11/openpam-trickery.html","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://openwall.com/lists/oss-security/2011/12/08/9","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://secunia.com/advisories/46804","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4122"},{"url":"https://github.com/advisories/GHSA-xh8r-pw4r-9vx4"}],"sources":{"cve":[{"id":"CVE-2011-4122","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.","status":"published","published":"2011-11-17T19:00:00Z","modified":"2024-08-07T00:01:50.721Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2011-4070","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.","status":"published","published":"2011-11-17T19:00:00Z","modified":"2024-08-07T00:01:50Z","updated_at":"2026-11-03T01:39:49.441333Z"}],"ghsa":[{"id":"GHSA-xh8r-pw4r-9vx4","title":"Directory traversal vulnerability in openpam_configure.c in OpenPAM before r478 on FreeBSD 8.1...","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.","status":"published","published":"2022-05-17T01:52:28Z","modified":"2023-02-03T05:05:54Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:53:48.81294Z"}],"nvd":[{"id":"CVE-2011-4122","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.","status":"published","published":"2011-11-17T19:55:01.563Z","modified":"2026-06-16T23:34:28.023Z","cvss":[{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:02:10.769216Z"}]}}