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Bugtraq archives for 3rd quarter (Jul-Sep) 1997: Re: BIND Nuking

Re: BIND Nuking

Thomas H. Ptacek (tqbfENTERACT.COM)
Tue, 29 Jul 1997 20:38:04 -0500

> when executed as "bind_nuke bogus.org" on a host, that bogus.org's
> primary NS is configured to accept updates from, will cause named
> to silently die. Nothing in the logs, nothing on the console.

... and of course, we all realize that there is no such thing as a BIND
denial-of-service-only attack. Anything that can cause an arbitrary
nameserver to die, or even not answer queries for a significant amount of
time, allows for trivial brute-force ID-guessing attacks.

Until DNSSEC is fully deployed on the net, or the BIND maintainers
integrate real ID-guessing countermeasures, the stability of the BIND
named service is security-critical.

Just some food for thought.

Thomas Ptacek at EnterAct, L.L.C., Chicago, IL [tqbfenteract.com]
"If you're so special, why aren't you dead?"