iDEFENSE Security Advisory 04.07.05 – Local exploitation of a file overwrite vulnerability in the gr_osview command included in multiple versions of Silicon Graphics Inc.’s IRIX operating system could allow for the overwriting of arbitrary files, regardless of permissions. The vulnerability specifically exists in the way that gr_osview opens user specified files without dropping privileges. When a file is specified using the -s option, it will be opened regardless of permissions, and operating system usage information will be written into it.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/37074/04.07.05-2.txt
Source: https://packetstormsecurity.com/files/37074/iDEFENSE-Security-Advisory-2005-04-07.2.html