Omron WorldView Wnn Overflow makes it possible to gain a shell remotly.
SGI is currently working on patches. SGI Security Patches can be found at: and
Omron soft has Japanese support pages. The steps to minimize exposure are available at Stanford University advisory pages:
other references: this page contains complete info and a list of available IRIX patches for this issue, including a list of links to the several version upgrade and patch servers.