full-disclosure - Re: Firefox 2.0.0.7 has a very serious calculation bug

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Message-Id: <5031B661-FD4E-44E6-A112-4B7BBE94585C@gmail.com>
Date: Sat, 29 Sep 2007 16:32:52 -0700
From: Andrew Farmer <andfarm@...il.com>
To: wac <waldoalvarez00@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Firefox 2.0.0.7 has a very serious
	calculation bug

On 28 Sep 07, at 19:25, wac wrote:
> On 9/28/07, Jimby Sharp <jimbysharp@...il.com> wrote:
>> How is this serious and is it related to security in any manner? If
>> not, please do not spam. :-(
>
>  Many bugs are security related (I would say all). How it is security
> related? Think. What happens if your bank calculates something  
> wrong and
> puts the lower in your account and the higher in another account?  
> Yes It
> might be little but what about a little many
> times? That could be done with javascript too. Then... you are not  
> safe
> anymore.

If your bank is doing financial calculations using Javascript in a
standard web browser, you have bigger things to worry about than
roundoff errors.

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