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).
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://security.gentoo.org/glsa/glsa-201206-31.xml ↗
- http://www.ubuntu.com/usn/USN-1237-1 ↗
- http://secunia.com/advisories/46583 ↗
- http://secunia.com/advisories/49711 ↗
- https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565 ↗
- http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444 ↗