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Re: Re DNS spoofing issue discussion
From: Paul Schmehl <pschmehl_lists () tx rr com>
Date: Thu, 31 Jul 2008 22:37:20 -0500

--On July 31, 2008 9:17:00 PM -0600 don bailey <don.bailey () gmail com> wrote:

The BGP fixes were devised after the last meltdown, but question again
is whether they are installed. If DNSSEC had been installed, Kaminsky's
issue
would not exist.


That's probably not the case. It would only alter the scope of
attack to include encryption and not simply port+xid. Since UDP
is stateless one could could have theoretically kicked off some
semblance of brute force attack against the key used for
encryption. For algorithms that use bits larger than would be
feasible for brute force attacks, the latest SNMPv3 vulnerability
comes to mind, as does Tim Newsham's attack on WEP.

In other words, there are always options. The attack wouldn't have
gone away. As they say, there are 1,000,000 ways to get to Detroit.


Apples and oranges. *Attacks* will never go away, but dnssec, if fully implemented, would render Dan's attack moot. Unless you've factored 256 bit RSA keys, in which case you should be making six figures.

Paul Schmehl
If it isn't already obvious,
my opinions are my own and not
those of my employer.

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