CVE-2011-3149

CVSS V2 Low 2.1 CVSS V3 None
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).
Overview
  • CVE ID
  • CVE-2011-3149
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2012-07-22T17:55:01
  • Last Modified Date
  • 2019-01-03T15:01:45
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:* 1 OR 1.1.4
cpe:2.3:a:linux-pam:linux-pam:0.99.1.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.2.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.5.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.6.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.6.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.6.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.7.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.8.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:0.99.10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:1.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:1.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:1.0.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:1.0.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:1.0.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:1.1.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:1.1.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:1.1.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linux-pam:linux-pam:1.1.3:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
References
Reference URL Reference Tags
http://secunia.com/advisories/46583 Vendor Advisory
http://secunia.com/advisories/49711 Vendor Advisory
https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565
http://security.gentoo.org/glsa/glsa-201206-31.xml
http://git.fedorahosted.org/git/?p=linux-pam.git;a=commitdiff;h=109823cb621c900c07c4b6cdc99070d354d19444 Exploit Patch
http://www.ubuntu.com/usn/USN-1237-1
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2011-3149
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3149
History
Created Old Value New Value Data Type Notes
2022-05-10 17:48:46 Added to TrackCVE