HPSBUX02102 SSRT051078 rev.1 – HP-UX usermod(1M) Local UnaUthorized Access A vulnerability has been identified with certain versions of the HP-UX usermod(1M) command. A certain combination of options can result in recursively changing the ownership of all directories and files under a user’s new home directory. This may result in unauthorized access to these directories and files.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/44810/SSRT051078.txt
Source: https://packetstormsecurity.com/files/44810/HP-Security-Bulletin-2005-10.78.html