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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 2.0 Severity and Vector Strings:

National Institute of Standards and Technology
NIST: NVD
Base Score:  2.1 LOW
Vector:  (AV:L/AC:L/Au:N/C:N/I:N/A:P)

References to Advisories, Solutions, and Tools

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

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

Configuration 1 ( hide )
 cpe:2.3:a:linux-pam:linux-pam:0.99.1.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.2.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.2.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.3.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.4.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.5.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.6.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.6.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.6.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.6.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.7.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.7.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.8.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.8.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.9.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:0.99.10.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:1.0.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:1.0.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:1.0.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:1.0.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:1.0.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:1.1.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:1.1.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:1.1.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:1.1.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (including)
1.1.4

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

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:
11/20/2024
Source:
MITRE