New encryption technology closes WLAN security loopholes

Steven M. Bellovin smb at research.att.com
Mon Oct 1 18:24:55 EDT 2001


In message <5.0.2.1.1.20011001002633.036f94a0 at idiom.com>, Bill Stewart writes:

>
>One interesting issue with radio networks is Man-in-the-middle attacks,
>because nobody can intercept a request and forward it
>faster than you can receive it directly, unless there are
>distances that are too far for the two parties to reach each other
>but still let the MITM contact both.
>

Move up the stack a bit.  The way to launch a MITM attack on wireless 
is via ARP-spoofing.  *Maybe* the gateway will notice an ARP entry 
being overwritten -- but most likely, a human will not.

		--Steve Bellovin, http://www.research.att.com/~smb
				  http://www.wilyhacker.com





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