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,…
Does this matter?
Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.
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."
- CVSS 2.0
- 6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- kde/kcheckpass
- Source
- cve@mitre.org
References
- http://c-skills.blogspot.com/2011/11/openpam-trickery.html
- http://openwall.com/lists/oss-security/2011/12/07/3
- http://openwall.com/lists/oss-security/2011/12/08/9
- http://openwall.com/lists/oss-security/2011/12/23/8
- http://openwall.com/lists/oss-security/2011/12/27/1
- http://openwall.com/lists/oss-security/2011/12/27/3
- http://openwall.com/lists/oss-security/2011/12/28/5
- http://openwall.com/lists/oss-security/2012/01/02/10
- http://openwall.com/lists/oss-security/2012/01/02/11
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72230
- http://c-skills.blogspot.com/2011/11/openpam-trickery.html
- http://openwall.com/lists/oss-security/2011/12/07/3
- http://openwall.com/lists/oss-security/2011/12/08/9
- http://openwall.com/lists/oss-security/2011/12/23/8
- http://openwall.com/lists/oss-security/2011/12/27/1
- http://openwall.com/lists/oss-security/2011/12/27/3
- http://openwall.com/lists/oss-security/2011/12/28/5
- http://openwall.com/lists/oss-security/2012/01/02/10
- http://openwall.com/lists/oss-security/2012/01/02/11
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72230
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.