Re: remote DoS in Mozilla 1.0

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On Tue, Jun 11, 2002 at 03:05:31PM +0200, Stijn Jonker wrote:
> Is this really a mozilla bug? 

It's a bug in X that becomes remote-exploitable through mozilla.

> The solution(s):
> 	(a) Fix every app to disallow font sizes bigger then <maxvalue>
> 	(b) Fix XFS to return an error code to the calling application 
> when requested font size is greater then configured <maxvalue>
> 
> Personally i would go for b.

Personally, I would go for both, with a limitation on a, namely that
apps that accept remote data (i.e. mozilla) should definitely do some
checking on that data before handing it to the local system (i.e. X).


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