CVE-2012-0809

Format string vulnerability in the sudo_debug function in Sudo 1.8.0 through 1.8.3p1 allows local users to execute arbitrary code via format string sequences in the program name for sudo.

CVE-2012-2337

sudo 1.6.x and 1.7.x before 1.7.9p1, and 1.8.x before 1.8.4p5, does not properly support configurations that use a netmask syntax, which allows local users to bypass intended command restrictions in opportunistic circumstances by executing a command on a host that has an IPv4 address.

CVE-2012-3440

A certain Red Hat script for sudo 1.7.2 on Red Hat Enterprise Linux (RHEL) 5 allows local users to overwrite arbitrary files via a symlink attack on the /var/tmp/nsswitch.conf.bak temporary file.