Re: TLS servers with overbroad certificates may mishandle diverted connections

[Jeffrey Walton <noloader () gmail com>]

On Mon, Mar 14, 2011 at 6:43 AM, coderman <coderman () gmail com> wrote:
> On Sun, Mar 13, 2011 at 7:31 PM, Matt McCutchen <matt () mattmccutchen 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.
>
> ...
>
> p.s. marsh ray: wildcard certs are a useful tool when properly applied.
> (though i admit most won't use them properly. par for the crypto course...)
Its always nice when the reception's machine in the lobby is trusted
to act as a web server and serve content.

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/