[1243] in bugtraq
Re: Intelligent modems :-(
daemon@ATHENA.MIT.EDU (John B. Brown)
Mon Mar 13 12:47:57 1995
Date: Mon, 13 Mar 1995 09:36:53 -0500
From: "John B. Brown" <jbb@cs.umb.edu>
To: cwe@it.kth.se, phil@compnews.co.uk
Cc: bugtraq@fc.net
Dear Folks,
Why has such easy back-door access been installed at all?
Shalom,
JBB.
> From owner-bugtraq@fc.net Mon Mar 13 10:44:13 1995
> To: Phil Male <phil@compnews.co.uk>
> Cc: bugtraq@fc.net
> Subject: Re: Intelligent modems :-(
> From: Christian Wettergren <cwe@it.kth.se>
> | > > If it is in LAP-M mode, just send of AT*R to them (protected
> | > > with a preset password of QWERTY). You may also use the command
> | > > <1s>****<1s> analog to the +++ sequence. You may even load
> | >
> | > I'm sure there must be a way to disable it or change the password?
> |
> | There is - I had this conversation over a year ago here and if I had the
> | manuals to hand I'd tell you want it is (well on the modems we use
> | anyway) - but it is documentated in the manuals.
> There is, I believe it was AT*C or something. What concerns me is that
> this is totally undocumented in the papers from Intel.
> I also feel uneasy with the possibility of reprogramming the Flash-PROMs.
> Many of the modems do have quite a lot of RAM inside, one model I saw
> said it had 32kRAM inside (not a Rockwell chip though). It might be
> farfetched, but I would definitely not want someone to upload a "password
> sniffer" into my modem.
> /Christian Wettergren, cwe@it.kth.se
> KTH/Teleinformatics
