Secunia Security Advisory – Nortel has acknowledged a vulnerability in BIND included in various Nortel products, which can be exploited by malicious people to poison the DNS cache.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/58678/sa26515.txt
Source: https://packetstormsecurity.com/files/58678/Secunia-Security-Advisory-26515.html