HP Security Bulletin – A potential vulnerability has been identified with the HP-UX newgrp(1) command that may allow authorized users to elevate privileges. Affected versions are HP-UX B.11.00, B.11.04, B.11.11.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/35441/SSRT4687.txt
Source: https://packetstormsecurity.com/files/35441/SSRT4687.txt.html