CERT Advisory CA-2003-17 – CERT announces that an exploit has been circulating for the denial of service attack against Cisco routers and switches.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/31396/CA-2003-17.ciscoexp.txt
Source: https://packetstormsecurity.com/files/31396/CA-2003-17.ciscoexp.txt.html