full-disclosure - Cisco LEAP exploit tool...

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From: dufresne at winternet.com (Ron DuFresne)
Subject: Cisco LEAP exploit tool...

On Wed, 14 Apr 2004, Dave Howe wrote:

> Thomas wrote:
> > Another interesting tool: THC-LEAPcracker
> > The THC LEAP Cracker Tool suite contains tools to break the
> >   NTChallengeResponse encryption technique e.g. used by Cisco
> > Wireless LEAP Authentication. Also tools for spoofing
> > challenge-packets from Access Points are included, so you are
> > able to perform dictionary attacks against all users.
> I don't suppose this tool is any use against EAP? we are considering
> implimenting an EAP encrypted AP directly on the lan, and I am looking for
> reasons to say it should be DMZed.....

All wireless traffic should be treated as unsecured, and pushed through a
DMZ/encryption tunneled setup.  Puttiing wireless AP's directly on the LAN
is a major blunder.


Thanks,

Ron DuFresne
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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