SCRAM with channel binding downgrade attack

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Magnus Hagander <magnus(at)hagander(dot)net>
Cc: Michael Paquier <michael(at)paquier(dot)xyz>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Stephen Frost <sfrost(at)snowman(dot)net>
Subject: SCRAM with channel binding downgrade attack
Date: 2018-05-17 14:05:25
Message-ID: 20180517140525.GC546@momjian.us
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On Thu, May 17, 2018 at 03:38:36PM +0200, Magnus Hagander wrote:
> What's the take of others?  Magnus, Stephen or Heikki perhaps (you've
> been the most involved with SCRAM early talks)?
>
> Saw it by luck. It would probably be better if it wasn't hidden deep in a
> thread about release notes.

Agreed. The problem was so glaring that I assumed I was not
understanding it. I have modified this email subject so users will
hopefully read back in this thread to see the details.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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