HP-UX 11.04 VirtualVault (VVOS) sends data to unprivileged processes via an interface that has multiple aliased IP addresses.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2000-0250
http://www.securityfocus.com/bid/1090
http://archives.neohapsis.com/archives/bugtraq/2000-04/0021.html