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[Full-Disclosure] Re: Buffer Overflow in ActivePerl?
From: Axel Beckert (beckert
ecos.de)
Date: Tue May 18 2004 - 04:03:40 CDT
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Hi!
Am Mon, May 17, 2004 at 10:23:56PM +0200, Oliver
greyhat.de schrieb:
> i played around with ActiveState's ActivePerl for Win32, and crashed
> Perl.exe with the following command:
>
> perl -e "$a="A" x 256; system($a)"
>
> I wonder if this bug isnt known?!? Because system() is a very common
> command....
> Can anybody reproduce this?
I can confirm this for Perl v5.8.0 built for MSWin32-x86-multi-thread
(Binary build 805 provided by ActiveState Corp.) on W2K.
My first thought was that the nested double-quotes maybe the reason,
but even
perl -e "$a='A' x 256; system($a)"
crashes.
perl -e "system('A'x256)"
chrashes also btw.
Kind regards, Axel Beckert
--
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Axel Beckert ecos electronic communication services gmbh
it security solutions * web applications with apache and perl
Mail: Tulpenstrasse 5 D-55276 Dienheim near Mainz
E-Mail: beckert
ecos.de Voice: +49 6133 939-220
WWW: http://www.ecos.de/ Fax: +49 6133 939-333
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