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).
Published: 2012-07-22
Score: 2.1 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2326-1 pam security update
EUVD EUVD EUVD-2011-3116 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).
Ubuntu USN Ubuntu USN USN-1237-1 PAM vulnerabilities
History

No history.

Subscriptions

Linux-pam Linux-pam
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T23:22:27.630Z

Reserved: 2011-08-16T00:00:00.000Z

Link: CVE-2011-3149

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2012-07-22T17:55:01.103

Modified: 2026-04-29T01:13:23.040

Link: CVE-2011-3149

cve-icon Redhat

Severity : Low

Publid Date: 2011-10-24T00:00:00Z

Links: CVE-2011-3149 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses