bugtraq - Re: Postgres: pg_hba.conf, md5, pg

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Message-ID: <6250.1114035460@sss.pgh.pa.us>
Date: Wed, 20 Apr 2005 18:17:40 -0400
From: Tom Lane <tgl@....pgh.pa.us>
To: Bruce Momjian <pgman@...dle.pha.pa.us>
Cc: "Jim C. Nasby" <decibel@...ibel.org>,
	Stephen Frost <sfrost@...wman.net>, pgsql-hackers@...tgresql.org,
	bugtraq@...urityfocus.com
Subject: Re: Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords


Bruce Momjian <pgman@...dle.pha.pa.us> writes:
> That's what I told him.  I think his concern about pre-computed hashes
> is the only real issue, and give 'postgres' is usually the super-user, I
> can see someone pre-computing md5 postgres hashes and doing quick
> comparisons, perhaps as a root kit so you don't have to do the hashing
> yourself.   I personally don't find that very compelling either.

Lessee ... we'll include a complete password hash table in a root kit,
which will be used at a point where we've already managed to read
pg_shadow but are somehow still lacking the ability to do anything else
we could want to the database ... nope, not very compelling.

			regards, tom lane

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