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CVE
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CVE-2011-3149Date: (C)2012-07-22   (M)2023-12-22


The _expand_arg function in the pam_env module (modules/pam_env/pam_env.c) in Linux-PAM (aka pam) before 1.1.5 does not properly handle when environment variable expansion can overflow, which allows local users to cause a denial of service (CPU consumption).

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 2.1
Exploit Score: 3.9
Impact Score: 2.9
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality: NONE
Integrity: NONE
Availability: PARTIAL
  
Reference:
SECUNIA-46583
SECUNIA-49711
GLSA-201206-31
USN-1237-1
http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444
https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565

CWE    1
CWE-119
OVAL    8
oval:org.secpod.oval:def:1600264
oval:org.secpod.oval:def:400304
oval:org.secpod.oval:def:202619
oval:org.secpod.oval:def:600626
...

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