Strange comment in jpg file

From: Peter Pearson <ppearson@xxxxxxxxxxxxxxx>
Date: Mon, 25 Sep 2006 23:33:42 GMT

A friend emailed me an image (of a drawing of a bus, but
I dont' think it matters) that, when I view it with xli,
throws my gnome terminal into a mode in which spaces, boxes,
and funny symbols appear to have been substituted for the
familiar letters and digits. Typing "reset" appears to
restore normalcy.

The rdjpgcom utility reports that the jpeg image contains
the following 256-character comment:

\240TQ\010\001\000\000\000\016\000\000\000\000\000\000\000
\000\000\000\000\000\000\000\000\254\001\000\000\036\000
\000\000\005\000\000\000\000\000\000\000\247\001\000\000
\001\000\000\000\003\000\000\000\001\000\000\000\251\001
\000\000\002\000\000\000\002\000\000\000\002\000\000\000
\252\001\000\000\003\000\000\000\001\000\000\000\003\000
\000\000\253\001\000\000\004\000\000\000\001\000\000\000
\004\000\000\000\011\000\000\000\005\000\000\000\243\001
\000\000\004\000\000\000\253\001\000\000\005\000\000\000
\000\000\000\000\005\000\000\000\007\000\000\000\006\000
\000\000\245\001\000\000\005\000\000\000\254\001\000\000
\006\000\000\000\000\000\000\000\006\000\000\000\006\000
\000\000\007\000\000\000\246\001\000\000\006\000\000\000
\254\001\000\000\007\000\000\000\000\000\000\000\007\000
\000\000\005\000\000\000\011\000\000\000\247\001\000\000
\007\000\000\000\254\001\000\000\011\000\000\000\000\000
\000\000\011\000\000\000\004\000\000\000\036\000\000\000
\250\001\000\000\011\000\000\000\254\001\000\000\036\000
\000\000

I'm pretty sure it's the comment that affects GNOME Terminal,
because if I redirect xli's output into temp.txt, the image
is displayed without ill effects, but subsequently displaying
temp.txt makes GNOME Terminal weird.

Is this something malicious?

--
To email me, substitute nowhere->spamcop, invalid->net.
.

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