ISC BIND 8.2/8.2.1/8.2.2 TSIG memory corruption

A vulnerability was found in ISC BIND 8.2/8.2.1/8.2.2. It has been classified as very critical. This affects an unknown function of the component TSIG Handler. Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 303. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 1333.