CVE-2011-3148 - Alternant Can

Description

Stack-based buffer overflow in the _assemble_line function in modules/pam_env/pam_env.c in Linux-PAM (aka pam) before 1.1.5 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a long string of white spaces at the beginning of the ~/.pam_environment file.

Reference

http://security.gentoo.org/glsa/glsa-201206-31.xml http://secunia.com/advisories/46583 https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874469 http://secunia.com/advisories/49711 http://git.fedorahosted.org/git/?p=linux-pam.git;a=commitdiff;h=caf5e7f61c8d9288daa49b4f61962e6b1239121d http://www.ubuntu.com/usn/USN-1237-1