Vulnerability Monitor

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CVE-2011-5054

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."

Published

2012-01-06T21:55:01.217

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.9 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	kde	kcheckpass	*	Yes

References

http://c-skills.blogspot.com/2011/11/openpam-trickery.html ([email protected])
http://openwall.com/lists/oss-security/2011/12/07/3 ([email protected])
http://openwall.com/lists/oss-security/2011/12/08/9 ([email protected])
http://openwall.com/lists/oss-security/2011/12/23/8 ([email protected])
http://openwall.com/lists/oss-security/2011/12/27/1 ([email protected])
http://openwall.com/lists/oss-security/2011/12/27/3 ([email protected])
http://openwall.com/lists/oss-security/2011/12/28/5 ([email protected])
http://openwall.com/lists/oss-security/2012/01/02/10 ([email protected])
http://openwall.com/lists/oss-security/2012/01/02/11 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/72230 ([email protected])
http://c-skills.blogspot.com/2011/11/openpam-trickery.html (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/12/07/3 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/12/08/9 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/12/23/8 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/12/27/1 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/12/27/3 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/12/28/5 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2012/01/02/10 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2012/01/02/11 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/72230 (af854a3a-2127-422b-91ae-364da2661108)