full-disclosure - Re: DNS Cache Dan Kamikaze (Actual Exploit Discussion)

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Date: Sun, 13 Jul 2008 18:04:12 -0700
From: coderman <coderman@...il.com>
To: "eugaaa@...il.com" <eugaaa@...il.com>
Cc: full-disclosure@...ts.grok.org.uk,
	Paul Schmehl <pschmehl_lists_nada@...rr.com>
Subject: Re: DNS Cache Dan Kamikaze (Actual Exploit
	Discussion)

On Sun, Jul 13, 2008 at 5:26 PM, eugaaa@...il.com <eugaaa@...il.com> wrote:
> What you wrote...

please note that is not my post on that site; i merely link to it.  thanks.

> Why flood with dest unreachables when your goal is to answer before
> the nameserver?

if the nameserver is "down", you no longer need to race against it.

> Meaning it is a remote timing based attack...

sure.  the bigger question is how large the temporal window of
opportunity.  if you have a large window, practical attacks become
widely possible.  a small niche and you're dealing with mostly
theoretical impact.

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