Re: [Trans] Gossiping in CT

Tao Effect <contact@taoeffect.com> Sat, 27 September 2014 19:12 UTC

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From: Tao Effect <contact@taoeffect.com>
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Date: Sat, 27 Sep 2014 12:12:16 -0700
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To: =?iso-8859-1?Q?Love_H=F6rnquist_=C5strand?= <lha@kth.se>
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Cc: "trans@ietf.org" <trans@ietf.org>, Linus Nordberg <linus@nordu.net>
Subject: Re: [Trans] Gossiping in CT
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Dear Love,

On Sep 27, 2014, at 11:23 AM, Love Hörnquist Åstrand <lha@kth.se> wrote:
> - the CA is sloppy/forced to issue the cert to the attacker
> - cert is injected into log
> - cert have SCT
> - client check the SCT with the logs the clients trust, like one the is not under the same control as the CA
> - any other SCT in the cert is ignored by the client since they are not trusted.
> - MITM happened
> - Auditor finds the fraudulent issued cert

Exactly how will the Auditor do that?

Kind regards,
Greg

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