CVE-2011-4122: Freebsd

Medium severity, CVSS 6.9. EPSS: 0.9% chance of exploitation in the next 30 days.

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

• Freebsd Freebsd: version 8.1 only

Published 2011-11-17. Last modified 2026-06-16.