CVE-2011-3149
Summary
| CVE | CVE-2011-3149 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2012-07-22 17:55:01 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| 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). |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:L/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Linux-pam | Linux-pam | 0.99.1.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.10.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.2.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.2.1 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.3.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.4.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.5.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.6.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.6.1 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.6.2 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.6.3 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.7.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.7.1 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.8.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.8.1 | All | All | All |
| Application | Linux-pam | Linux-pam | 0.99.9.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 1.0.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 1.0.1 | All | All | All |
| Application | Linux-pam | Linux-pam | 1.0.2 | All | All | All |
| Application | Linux-pam | Linux-pam | 1.0.3 | All | All | All |
| Application | Linux-pam | Linux-pam | 1.0.4 | All | All | All |
| Application | Linux-pam | Linux-pam | 1.1.0 | All | All | All |
| Application | Linux-pam | Linux-pam | 1.1.1 | All | All | All |
| Application | Linux-pam | Linux-pam | 1.1.2 | All | All | All |
| Application | Linux-pam | Linux-pam | 1.1.3 | All | All | All |
| Application | Linux-pam | Linux-pam | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| USN-1237-1: PAM vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| Security Advisory SA49711 - Gentoo update for pam - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| Gentoo Linux Documentation -- Linux-PAM: Multiple vulnerabilities | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| Infrastructure/Fedorahosted-retirement - Fedora Project Wiki | af854a3a-2127-422b-91ae-364da2661108 | git.fedorahosted.org | |
| About Secunia Research | Flexera | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| Bug #874565 “100% CPU utilitization in pam_env parsing” : Bugs : “pam” package : Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | bugs.launchpad.net | |
| Infrastructure/Fedorahosted-retirement - Fedora Project Wiki | MITRE | git.fedorahosted.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.