[38486] in bugtraq

home help back first fref pref prev next nref lref last post

Re: [HACKERS] Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords

daemon@ATHENA.MIT.EDU (Tom Lane)
Wed Apr 20 18:57:18 2005

To: Bruce Momjian <pgman@candle.pha.pa.us>
Cc: "Jim C. Nasby" <decibel@decibel.org>, Stephen Frost <sfrost@snowman.net>,
        pgsql-hackers@postgresql.org, bugtraq@securityfocus.com
In-reply-to: <200504202210.j3KMAgf21874@candle.pha.pa.us> 
Date: Wed, 20 Apr 2005 18:17:40 -0400
Message-ID: <6250.1114035460@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>

Bruce Momjian <pgman@candle.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

home help back first fref pref prev next nref lref last post