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Date:      Thu, 10 Sep 1998 12:22:09 -0400 (EDT)
From:      Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To:        Josef Karthauser <joe@pavilion.net>
Cc:        Garrett Wollman <wollman@khavrinen.lcs.mit.edu>, Jay Tribick <netadmin@fastnet.co.uk>, freebsd-security@FreeBSD.ORG
Subject:   Re: Err.. cat exploit.. (!)
Message-ID:  <199809101622.MAA09014@khavrinen.lcs.mit.edu>
In-Reply-To: <19980910165725.N831@pavilion.net>
References:  <Pine.BSF.3.96.980910115926.408V-100000@bofh.fast.net.uk> <19980910144324.B831@pavilion.net> <199809101510.LAA08830@khavrinen.lcs.mit.edu> <19980910165725.N831@pavilion.net>

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<<On Thu, 10 Sep 1998 16:57:25 +0100, Josef Karthauser <joe@pavilion.net> said:

>> That's why you should normally use `more' or `less'.

> Ok, but how come the interactions we describe?

Most terminals, including the VT102 emulated by `xterm', include some
mechanism for generating an ``answerback'' upon receipt of a special
control code or sequence.  (In xterm's case, that happens to be a
control-E.)  A binary file is likely enough to contain such a code.

There's might be a preference you can set which will disable this
feature in xterm, but I don't know what it might be (and if there is
one, it's not documented).

-GAWollman

--
Garrett A. Wollman   | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu  | O Siem / The fires of freedom 
Opinions not those of| Dance in the burning flame
MIT, LCS, CRS, or NSA|                     - Susan Aglukark and Chad Irschick

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