Skip site navigation (1) Skip section navigation (2)

Re: PostgreSQL Password Cracker

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: mlw <pgsql(at)mohawksoft(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Devrim GUNDUZ <devrim(at)tr(dot)net>,pgsql-hackers(at)postgresql(dot)org
Subject: Re: PostgreSQL Password Cracker
Date: 2003-01-01 23:44:58
Message-ID: 200301012344.h01Niwq01483@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
What do others think?  I am not sure myself.

---------------------------------------------------------------------------

mlw wrote:
> 
> 
> Bruce Momjian wrote:
> 
> >mlw wrote:
> >  
> >
> >>>The comments at the top suggest sniffing a Postgres session startup
> >>>exchange in order to see the MD5 value that the user presents; which the
> >>>attacker would then give to this program.  (Forget it if the session is
> >>>Unix-local rather than TCP, or if it's SSL-encrypted...)
> >>>
> >>>This is certainly a theoretically possible attack against someone who
> >>>has no clue about security, but I don't put any stock in it as a
> >>>practical attack.  For starters, if you are talking to your database
> >>>across a network that is open to hostile sniffers, you should definitely
> >>>be using SSL.
> >>> 
> >>>
> >>>      
> >>>
> >>This is absolutely correct, shouldn't this be in the FAQ?
> >>    
> >>
> >
> >Well, this is a pretty rare issue, so it doesn't seem like an FAQ.
> >People need to understand the ramifications of the various pg_hba.conf
> >settings, and I think our documentation does that.
> >  
> >
> A good DBA will probably read the docs, a bad DBA will probably not, and 
> it is the bad DBA that needs to be guided the most.
> 
> Maybe not FAQ, but is the a short page of "dos and don'ts?
> 
> 

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

In response to

Responses

pgsql-hackers by date

Next:From: Tom LaneDate: 2003-01-02 04:17:59
Subject: Re: PostgreSQL Password Cracker
Previous:From: mlwDate: 2003-01-01 23:41:29
Subject: Re: PostgreSQL Password Cracker

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group