full-disclosure - Re: TLS servers with overbroad certificates may mishandle diverted connections

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Message-ID: <1300200801.4239.0.camel@localhost>
Date: Tue, 15 Mar 2011 10:53:21 -0400
From: Matt McCutchen <matt@...tmccutchen.net>
To: coderman <coderman@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: TLS servers with overbroad certificates may
 mishandle diverted connections

On Mon, 2011-03-14 at 03:43 -0700, coderman wrote:
> On Sun, Mar 13, 2011 at 7:31 PM, Matt McCutchen <matt@...tmccutchen.net> wrote:
> > If I make a TLS connection to example.com, a MITM attacker can divert
> > the connection to any server that bears a certificate valid for
> > example.com, ... especially likely to arise with wildcard certificates.
> > ...
> > I plan to release an automated testing
> > tool, but I decided to go ahead and publicize the issue first.
> 
> i can has code?

You can once I write it.

-- 
Matt

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