Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 8.1 |
Related Weaknesses (CWE)
References
- 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
FAQ
What is CVE-2011-4122?
CVE-2011-4122 is a vulnerability with a CVSS score of 6.9 (MEDIUM). 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 argu...
How severe is CVE-2011-4122?
CVE-2011-4122 has been rated MEDIUM with a CVSS base score of 6.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4122?
Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.