| From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
|---|---|
| To: | Michael Paquier <michael(at)paquier(dot)xyz>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
| Cc: | Postgres hackers <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Stephen Frost <sfrost(at)snowman(dot)net>, Bruce Momjian <bruce(at)momjian(dot)us> |
| Subject: | Re: SCRAM with channel binding downgrade attack |
| Date: | 2018-06-06 20:20:24 |
| Message-ID: | 5586d6d1-7804-84da-a9ff-fdf6eaa7df75@2ndquadrant.com |
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| Lists: | pgsql-hackers pgsql-www |
Aren't we attacking this on the wrong level? We are here attempting to
prevent a SCRAM-SHA-256-PLUS -> SCRAM-SHA-256 downgrade, but we are not
preventing a SCRAM-SHA-256-PLUS -> anything-else downgrade.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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