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CVE-2011-4122

MediumPublished

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...

Published: Nov 17, 2011
Updated: Aug 7, 2024
Assigning CNA: redhat
Evidence observed: Nov 9, 2011

Primary CVSS

6.9/ 10Medium

nvd · CVSS 2.0

AV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS probability estimate

0.9%

Low · next 30 days

Percentile: 57.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

OpenPAM - 'pam_start()' Local Privilege EscalationExploit
IKCE · bsd · Nov 9, 2011

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