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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4ef5fec60807131804t1204df2fh448c5988bdb785c@mail.gmail.com>
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.

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/