c-skills.blogspot.com
http://c-skills.blogspot.com/2011/11/openpam-trickery.html CVE-2011-4122
OpenPAM - 'pam_start()' Local Privilege Escalation
Record summary
CVE-2011-4122 has a selected CVSS score of 6.9; EIP currently links 1 catalogued exploit.
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.
Description source: CVE List
Exploitation context
Available material
- Catalogued exploits
- 1
Proofs of concept
1Catalogued exploits
ExploitDBOpenPAM - 'pam_start()' Local Privilege EscalationExploitDB exploitby IKCENot analyzed1 file
References
10[oss-security] 20111207 Disputing CVE-2011-4122mailing list
http://openwall.com/lists/oss-security/2011/12/07/3 [oss-security] 20111208 Re: Disputing CVE-2011-4122mailing list
http://openwall.com/lists/oss-security/2011/12/08/9 76945vdb entry
http://osvdb.org/76945 46756Third-party advisory
http://secunia.com/advisories/46756 46804Third-party advisory
http://secunia.com/advisories/46804 stealth.openwall.net
http://stealth.openwall.net/xSports/pamslam trac.des.noConfirmation
http://trac.des.no/openpam/changeset/478/trunk/lib/openpam_configure.c openpam-Pamstart-privilege-escalation(71205)vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/71205 nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2011-4122