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CVE-2011-3149 Details

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

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444 CVE
https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565 CVE
http://secunia.com/advisories/46583 CVEVendor Advisory
http://secunia.com/advisories/49711 CVEVendor Advisory
http://security.gentoo.org/glsa/glsa-201206-31.xml CVE

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]

Affected Products

ProductVersions
linux-pam linux-pam
<= 1.1.4
0.99.1.0
0.99.2.0
0.99.2.1
0.99.3.0

CPE

  • cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.6.3:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:0.99.10.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:1.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:1.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:1.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:1.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:1.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:1.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:linux-pam:linux-pam:1.1.3:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

32 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2011-3149
NVD Published Date:
Jul 22, 2012
NVD Last Modified:
Jun 16, 2026
Source:
[email protected]
CVE-2011-3149 Details - Not Deferred