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Date:      Fri, 11 Sep 1998 16:42:32 -0600
From:      Warner Losh <imp@village.org>
To:        ark@eltex.ru
Cc:        security@FreeBSD.ORG
Subject:   Re: terminal escape exploit (was Re: cat exploit) 
Message-ID:  <199809112242.QAA17684@harmony.village.org>
In-Reply-To: Your message of "Fri, 11 Sep 1998 14:06:54 %2B0400." <199809111006.OAA04817@paranoid.eltex.spb.ru> 
References:  <199809111006.OAA04817@paranoid.eltex.spb.ru>  

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In message <199809111006.OAA04817@paranoid.eltex.spb.ru> ark@eltex.ru writes:
: Oh really? afair vt52 was too dumb and had no programmable keys and
: only responces you could get back from it were screen cursor position and
: some simple status info. You need vt100 at least.

I'm nearly positive that the VT52 (and the VT50) allowed for a
"answerback" string that could be set in software.  I seem to recall
writing some code to take advantage of this back when I was in high
school for a company doing VMS 3.4 and RSTS/E 6.3 or 7.0.  However, my
memory is dim about this, since it might have just been a terminal
type detection....

Warner

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