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Re: Apple Safari ... DoS Vulnerability
From: Stuart Dunkeld <burningcows () gmail com>
Date: Wed, 4 Mar 2009 00:02:30 +0000

Browsers could reasonably implement various kinds of resource expenditure
limitations, but few, if any, do OOTB (FF 2.x I think added some basic
"this script is taking too long" controls, but there is a lot more that
could be done).

IE, Firefox, Safari and Chrome all have basic protection against
long-running scripts -
http://www.nczonline.net/blog/2009/01/05/what-determines-that-a-script-is-long-running/
has some information on each implementation.

What else would you have browser vendors do? I expect they think their
current strategy of responding to specific bugs along with a bit of
fuzzing and insane-input-testing is cost-effective and 'good enough'
for their users.

Regards

--stuart

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