Re: [TLS] TLSrenego - current summary of semantics and possibilities

Michael D'Errico <mike-list@pobox.com> Wed, 11 November 2009 01:40 UTC

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Date: Tue, 10 Nov 2009 17:42:33 -0800
From: Michael D'Errico <mike-list@pobox.com>
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Subject: Re: [TLS] TLSrenego - current summary of semantics and possibilities
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> So if I mount the attack I described on your client, and use the
> empty TLS extension in the sess1 handshake between your client and
> my MITM, then your client is going to renegotiate blindly with the
> server to which I'm connecting it?  Not good.  Your fix is incomplete.

I don't remember exactly your version of the attack, but if my client
connects to a MITM, it will notice that the server certificate is
wrong.  I don't support DH_anon if that was required in your attack.

Mike