Denial of service in RPC portmapper allows attackers to register or unregister RPC services or spoof RPC services using a spoofed source IP address such as 127.0.0.1.
addnetpr in SGI IRIX 6.2 and earlier allows local users to modify arbitrary files and possibly gain root access via a symlink attack on a temporary file.
addnetpr in IRIX 5.3 and 6.2 allows local users to overwrite arbitrary files and possibly gain root privileges via a symlink attack on the printers temporary file.