CVE-2011-4122

23Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendepss 0.9%

from disclosure to weapon0 days

Published on NVDNov 17

1st PoCNov 9

exploitation probability

0.9%top 44% of all CVEs

observed exploitation

nono source reports it

1 public exploit(s)

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.

Affected products

n/a · n/a

public PoCs found — 1✓ VexDay Proof

exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/36296

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

http://c-skills.blogspot.com/2011/11/openpam-trickery.html 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/46756 http://secunia.com/advisories/46804 https://exchange.xforce.ibmcloud.com/vulnerabilities/71205 http://stealth.openwall.net/xSports/pamslam http://trac.des.no/openpam/changeset/478/trunk/lib/openpam_configure.c