CVE-2011-2777 Information

Description

samples/powerbtn/powerbtn.sh in acpid (aka acpid2) 2.0.16 and earlier uses the pidof program incorrectly which allows local users to gain privileges by running a program with the name kded4 and a DBUS_SESSION_BUS_ADDRESS environment variable containing commands.

Reference

https://bugs.launchpad.net/ubuntu/+source/acpid/+bug/893821