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Re: [Full-disclosure] Firefox 2.0.0.7 has a very serious calculation bug

From: Jimby Sharp (jimbysharpgmail.com)
Date: Fri Sep 28 2007 - 11:35:11 CDT


How is this serious and is it related to security in any manner? If
not, please do not spam. :-(

And go and learn some floating point maths.

On 9/28/07, carl hardwick <hardwick.carlgmail.com> wrote:
> There's a flaw in Firefox 2.0.0.7 allows javascript to execute wrong
> subtractions.
>
> PoC concept here:
> javascript:5.2-0.1
> (copy this code into address bar)
>
> Firefox 2.0.0.7 result: 5.1000000000000005 (WRONG!)
> Internet Explorer 7 result: 5.1 (OK)
>
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/