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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2011-3149 Detail

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).


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444 CVE, MITRE
http://secunia.com/advisories/46583 CVE, MITRE Vendor Advisory 
http://secunia.com/advisories/49711 CVE, MITRE Vendor Advisory 
http://security.gentoo.org/glsa/glsa-201206-31.xml CVE, MITRE
http://www.ubuntu.com/usn/USN-1237-1 CVE, MITRE
https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565 CVE, MITRE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

30 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-3149
NVD Published Date:
07/22/2012
NVD Last Modified:
04/10/2025
Source:
MITRE