Buffer overflow in Linux-Pam
CVE-2011-3149
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).
Vulnerability class: Buffer Overflow
EPSS: 0.005 (41.8th percentile) — read the EPSS interpretation.
Affected products
- Linux-pam — versions 0.99.1.0, 0.99.2.0, 0.99.2.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- cve@mitre.org (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_CONFIRM)