SCO Security Advisory CSSA-2003-SCO.27 – OpenServer 5.0.5 insecurely creates files in /tmp which can lead to a system compromise.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/32125/CSSA-2003-SCO.27
Source: https://packetstormsecurity.com/files/32125/CSSA-2003-SCO.27.html