CVE-2011-3149 in Linux-PAM

Summary

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).

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• Reservation: 08/16/2011
• Disclosure: 07/22/2012
• Moderation: VulDB entry created
• Entries: 1: VDB-61382
• CPE: ready
• CWE: CWE-119 (Confirmed)
• CVSS: 4.0
• EPSS: 0.00062
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2011-3149
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-3149
• CVE Details: https://www.cvedetails.com/cve/CVE-2011-3149/