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CVE
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CVE-2011-4122

Date: (C)2011-11-17   (M)2017-08-29
 
CVSS Score: 6.9Access Vector: LOCAL
Exploitability Subscore: 3.4Access Complexity: MEDIUM
Impact Subscore: 10.0Authentication: NONE
 Confidentiality: COMPLETE
 Integrity: COMPLETE
 Availability: COMPLETE











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.

Reference:
SECUNIA-46756
SECUNIA-46804
OSVDB-76945
http://openwall.com/lists/oss-security/2011/12/07/3
http://openwall.com/lists/oss-security/2011/12/08/9
http://c-skills.blogspot.com/2011/11/openpam-trickery.html
http://stealth.openwall.net/xSports/pamslam
http://trac.des.no/openpam/changeset/478/trunk/lib/openpam_configure.c
openpam-Pamstart-privilege-escalation(71205)

CPE    1
cpe:/o:freebsd:freebsd:8.1
CWE    1
CWE-22

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