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Re: [Full-disclosure] Firefox 2.0.0.7 has a very serious calculation bug
- To: Jimby Sharp <jimbysharp@xxxxxxxxx>
- Subject: Re: [Full-disclosure] Firefox 2.0.0.7 has a very serious calculation bug
- From: Mukul Dharwadkar <mukul.dharwadkar@xxxxxxxxx>
- Date: Fri, 28 Sep 2007 09:59:48 -0700
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<font face="Arial">This is not only Firefox 2.0.0.7. I still have
2.0.0.5 and it still shows the </font><br>
<pre wrap="">5.1000000000000005. Of course if you understand floating point and
the level of accuracy needed, I don't see how this could be serious.
And I don't see a way this being exploited to give RCE.
</pre>
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Jimby Sharp wrote:
<blockquote
cite="mid:3eab9ed60709280935p6478d821h4cb6cf1583ceabd2@xxxxxxxxxxxxxx"
type="cite">
<pre wrap="">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 <a class="moz-txt-link-rfc2396E"
href="mailto:hardwick.carl@xxxxxxxxx"><hardwick.carl@xxxxxxxxx></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">There's a flaw in Firefox 2.0.0.7 allows javascript to execute
wrong
subtractions.
PoC concept here:
<a class="moz-txt-link-freetext"
href="javascript:5.2-0.1">javascript:5.2-0.1</a>
(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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