Hello NANOG,
The location of the article containing the C code is :
http://www.geek-girl.com/bugtraq/1997_4/0339.html
My initial tests of a cisco 7000 running IOS 11.2 show that it is not
vulnerable to the attack.
Matthew Silvey
Network Engineer
Thorn Communications, Inc.
(212) 480-3680 / duncan@thorn.net