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Last updated: 5/27/2015 7:58:11 PM

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Vulnerability Summary for CVE-2011-5054

Original release date: 01/06/2012
Last revised: 01/31/2012


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."


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.9 (MEDIUM) (AV:L/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: MLIST
Name: [oss-security] 20111226 Re: Disputing CVE-2011-4122
External Source: MLIST
Name: [oss-security] 20120102 Re: Disputing CVE-2011-4122
External Source: MISC
Name: http://c-skills.blogspot.com/2011/11/openpam-trickery.html
External Source: MLIST
Name: [oss-security] 20111228 Re: Disputing CVE-2011-4122
External Source: XF
Name: kcheckpass-pamstart-priv-esc(72230)
External Source: MLIST
Name: [oss-security] 20111207 Disputing CVE-2011-4122
External Source: MLIST
Name: [oss-security] 20111224 Re: Disputing CVE-2011-4122
External Source: MLIST
Name: [oss-security] 20120102 Re: Disputing CVE-2011-4122
External Source: MLIST
Name: [oss-security] 20111208 Re: Disputing CVE-2011-4122
External Source: MLIST
Name: [oss-security] 20111228 Re: Disputing CVE-2011-4122

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:kde:kcheckpass

* Denotes Vulnerable Software
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Technical Details

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