CVE-2011-5054

kcheckpass - Improper Authentication via PAM Service Name Manipulation

Title source: llm
STIX 2.1

Description

kcheckpass passes a user-supplied argument to the pam_start function, often within a setuid environment, which allows local users to invoke any configured PAM stack, and possibly trigger unintended side effects, via an arbitrary valid PAM service name, a different vulnerability than CVE-2011-4122. NOTE: the vendor indicates that the possibility of resultant privilege escalation may be "a bit far-fetched."

References (10)

Core 10
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/72230
Mailing List mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/12/07/3
Mailing List mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/12/28/5
Mailing List mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/12/27/3
Mailing List mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/12/23/8
Mailing List mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2012/01/02/11
Mailing List mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/12/27/1
Mailing List mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/12/08/9
Mailing List mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2012/01/02/10

Scores

EPSS 0.0004
EPSS Percentile 11.9%

Details

CWE
CWE-287
Status published
Products (1)
kde/kcheckpass
Published Jan 06, 2012
Tracked Since Feb 18, 2026