IRIX ipxchk Vulnerability
SGI O2 systems running IRIX 6.3 come with support
for the IPX protocol. The software is installed by default,
and lives under /usr/etc/netware. The binary ipxchk is
part of this subsystem.
Among many vulnerabilities in this binary it calls other
programs via system() without reseting the enviroment
This is SGI bug number 498565.