Vulnerability Details CVE-2011-3149
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).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.9%
CVSS Severity
CVSS v2 Score 2.1
References
- http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444
- http://secunia.com/advisories/46583
- http://secunia.com/advisories/49711
- http://security.gentoo.org/glsa/glsa-201206-31.xml
- http://www.ubuntu.com/usn/USN-1237-1
- https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565
- http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444
- http://secunia.com/advisories/46583
- http://secunia.com/advisories/49711
- http://security.gentoo.org/glsa/glsa-201206-31.xml
- http://www.ubuntu.com/usn/USN-1237-1
- https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565
Products affected by CVE-2011-3149
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cpe:2.3:a:linux-pam:linux-pam:0.72
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cpe:2.3:a:linux-pam:linux-pam:0.73
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cpe:2.3:a:linux-pam:linux-pam:0.74
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cpe:2.3:a:linux-pam:linux-pam:0.75
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cpe:2.3:a:linux-pam:linux-pam:0.76
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cpe:2.3:a:linux-pam:linux-pam:0.77
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cpe:2.3:a:linux-pam:linux-pam:0.78
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cpe:2.3:a:linux-pam:linux-pam:0.79
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cpe:2.3:a:linux-pam:linux-pam:0.80
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cpe:2.3:a:linux-pam:linux-pam:0.99.1.0
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cpe:2.3:a:linux-pam:linux-pam:0.99.10.0
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cpe:2.3:a:linux-pam:linux-pam:0.99.2.0
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cpe:2.3:a:linux-pam:linux-pam:0.99.2.1
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cpe:2.3:a:linux-pam:linux-pam:0.99.3.0
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cpe:2.3:a:linux-pam:linux-pam:0.99.4.0
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cpe:2.3:a:linux-pam:linux-pam:0.99.5.0
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cpe:2.3:a:linux-pam:linux-pam:0.99.6.0
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cpe:2.3:a:linux-pam:linux-pam:0.99.6.1
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cpe:2.3:a:linux-pam:linux-pam:0.99.6.2
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cpe:2.3:a:linux-pam:linux-pam:0.99.6.3
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cpe:2.3:a:linux-pam:linux-pam:0.99.7.0
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cpe:2.3:a:linux-pam:linux-pam:0.99.7.1
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cpe:2.3:a:linux-pam:linux-pam:0.99.8.0
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cpe:2.3:a:linux-pam:linux-pam:0.99.8.1
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cpe:2.3:a:linux-pam:linux-pam:0.99.9.0
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cpe:2.3:a:linux-pam:linux-pam:1.0.0
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cpe:2.3:a:linux-pam:linux-pam:1.0.1
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cpe:2.3:a:linux-pam:linux-pam:1.0.2
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cpe:2.3:a:linux-pam:linux-pam:1.0.3
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cpe:2.3:a:linux-pam:linux-pam:1.0.4
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cpe:2.3:a:linux-pam:linux-pam:1.0.90
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cpe:2.3:a:linux-pam:linux-pam:1.0.91
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cpe:2.3:a:linux-pam:linux-pam:1.0.92
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cpe:2.3:a:linux-pam:linux-pam:1.1.0
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cpe:2.3:a:linux-pam:linux-pam:1.1.1
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cpe:2.3:a:linux-pam:linux-pam:1.1.2
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cpe:2.3:a:linux-pam:linux-pam:1.1.3
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cpe:2.3:a:linux-pam:linux-pam:1.1.4