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Re: [Full-Disclosure] Gnumeric and Applix can modify locked Excel files?
From: Paul Szabo (pszmaths.usyd.edu.au)
Date: Thu May 20 2004 - 22:16:40 CDT
Dave Horsfall <davehorsfall.org> wrote:
> I found I was able to modify a supposedly password-locked Excel file
> without the password, with Gnumeric (a free *nix clone of Excel) and
> Applix (a commercial *nix clone of Office).
Similar issues have been discussed previously, in the context of Word.
Quoting from my
Microsoft Word Protection Bypass
says that Password to Modify uses encryption,
admits that it also may be bypassed; and
knew that already in 2001...
Is the Excel issue related?
Paul Szabo - pszmaths.usyd.edu.au http://www.maths.usyd.edu.au:8000/u/psz/
School of Mathematics and Statistics University of Sydney 2006 Australia
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