>
> Also, firefox has sandboxing on javascript plugins.

Would running Firefox in Firejail help in this case ?

On Fri, May 15, 2020 at 6:47 PM stan via users <
users@lists.fedoraproject.org> wrote:

> On Fri, 15 May 2020 17:32:10 +0530
> Sreyan Chakravarty <sreya...@gmail.com> wrote:
>
> > On 5/15/20 1:32 AM, stan via users wrote:
> > > After posting, I vaguely recalled that there was a javascript
> > > implementation of the sample exploit code.
> >
> > Now this is really scary.
> >
> > This makes it a potential web attack. I can't obviously live like a
> > hermit and visit only sites that have no javascript in it, can I ?
> >
>
> Because the attack is so sophisticated, it depends on very precise
> timing.  I *think* I read that firefox, at least, changed their
> javascript so the timing accuracy was too fuzzy for the attack to work.
> This would only have required changing accuracy to millisecond (or
> tenths (hundredths?) of millisecond) timing rather than nanosecond
> timing.
>
> Also, firefox has sandboxing on javascript plugins.  So, if the
> javascript is restricted from sending anything over the web, it would
> be impotent because it would have no way of communicating its results.
> Plugins also only get access to the components they need to perform
> their function, so might not have access to the necessary system calls
> to allow the attack.
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-- 
Regards,
Sreyan Chakravarty
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