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Re: [certid] Fwd: secdir review of draft-saintandre-tls-server-id-check-09

Matt McCutchen <matt@mattmccutchen.net> Thu, 16 September 2010 05:39 UTC

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From: Matt McCutchen <matt@mattmccutchen.net>
To: Martin Rex <mrex@sap.com>
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Date: Thu, 16 Sep 2010 01:39:15 -0400
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Cc: certid@ietf.org
Subject: Re: [certid] Fwd: secdir review of draft-saintandre-tls-server-id-check-09
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On Thu, 2010-09-16 at 07:27 +0200, Martin Rex wrote:
> Clearly unsafe operations:
> 
>   - building a reference identifier from the result of a
>     DNS CNAME lookup

> (the use of DNSSEC does not make this safe)

Why not?  I'm not saying it's good practice, but I don't see an actual
vulnerability.

I agree with everything else you said; nicely put.

-- 
Matt

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