Re: [Acme] Validation Vulnerabilities

Richard Barnes <rlb@ipv.sx> Fri, 05 June 2015 15:57 UTC

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Date: Fri, 5 Jun 2015 11:57:29 -0400
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From: Richard Barnes <rlb@ipv.sx>
To: "Salz, Rich" <rsalz@akamai.com>
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Subject: Re: [Acme] Validation Vulnerabilities
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On Friday, June 5, 2015, Salz, Rich <rsalz@akamai.com>; wrote:

> FWIW, IMHO, and whatever other fla's are appropriate:
>
> I think it makes sense to at least detail the attacks, since relying on
> DNS is one of the methods supported by ACME.


We should document these risks, but we should be clear that they're
inherent to non-authoritative identity verification -- including pretty
much everything that is done today (regardless of ACME).



> > I cross-posted this from
> > https://github.com/letsencrypt/acme-spec/issues/131
>
> Can the people who maintain this particular github repo, put up some
> notice in BIG BOLD FLASHING LETTERS that the proper place for discussion is
> on this mailing list?


I would propose that one we adopt draft-ietf-, then we put on the
controls.  For now, it's just an individual draft.  But I agree that it is
more helpful to have stuff on the list.

--Richard





>
> Thanks.
>
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