Re: :zz: Security risks US?

[Ted Nelson <ted@xxxxxxxxxx>]

So the security risks are not to the central computer network,
 but to the people running the program-- as with Word bugs?

ChrzT


At 03:42 AM 10/9/98 +1000, you wrote:
>On Thu, Oct 08, 1998 at 08:31:08PM +0900, Ted Nelson wrote:
>> WOOPS!  Gee, Andrew,
>> 
>> I didn't realize we were a security risk.  I thought we were
>>  always running in user spaces which had limited privileges.
>>  And that while a master copy resides in system space somewhere,
>>  it just got copied into user space prior to execution.
>
>Yes, exactly.
>
>> You mean a Perl program could break out of a user's
>>  low-privileged space ?-(
>
>Not normally.  That's not what I meant at all.  However, remember that
>Zigzag files downloaded from the net are not necessarily written by the
>same user who is viewing them, and therefore could contain malicious code
>(trojans) in the cells written by a different user in order to have them
>hopefully executed by the users downloading the Zigzag files!
>
>For example, I could write and distribute a Zigzag file containing a cell
>which when executed not only performs a "chug", but also emails me the
>Netscape bookmark file (and other personal files) of the user running it.
>
>Cheers,
>	*** Xanni ***
>-- 
>mailto:xanni@xxxxxxxxxx                         Andrew Pam
>http://www.xanadu.com.au/                       Technical VP, Xanadu
>http://www.glasswings.com.au/                   Technical Editor, Glass Wings
>http://www.sericyb.com.au/sc/                   Manager, Serious Cybernetics
>P.O. Box 26, East Melbourne VIC 8002 Australia  Phone +61 3 96511511
>
>
____________________________________________________
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