Re: WEP attacks based on IV Collisions

From: leonardo (billtorvalds1@yahoo.it)
Date: Sun Jun 06 2004 - 18:09:25 EDT


* Thursday 03 June 2004, alle 13:43, pen-test@nym.hush.com scrive:
> This is only true if Shared Key Authentication is in use. Vendors saw
> this as moronic years ago. I'm not sure how many AP's (if any) use Shared
> Key Authentication as the default, but every AP I've seen has had Open
> System Authentication as an option (which essentially just skips that
> step).

that's good, but Is it the same for clients? if we're still talking
about plain 802.11 with WEP then you can always deauthenticate a client
and behave like an AP, asking the client to authenticate with Shared
Key. Then you just have to send as a challenge text the bytes you want
that client to crypt for you.

ciao,
leonardo.

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