CVE-2011-3149

N/A Unknown
Published: July 22, 2012 Modified: April 29, 2026
View on NVD

Description

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).

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444
Source: cve@mitre.org
http://secunia.com/advisories/46583
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/49711
Source: cve@mitre.org
Vendor Advisory
http://security.gentoo.org/glsa/glsa-201206-31.xml
Source: cve@mitre.org
http://www.ubuntu.com/usn/USN-1237-1
Source: cve@mitre.org
https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565
Source: cve@mitre.org
http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/46583
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/49711
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://security.gentoo.org/glsa/glsa-201206-31.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1237-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565
Source: af854a3a-2127-422b-91ae-364da2661108

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.5%
41th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-119

Affected Vendors

linux-pam

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