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[ILUG] Firefox/Mozilla/Opera exploit

[ILUG] Firefox/Mozilla/Opera exploit

Colm Buckley colm at tuatha.org
Mon Feb 14 14:18:21 GMT 2005


On 14 Feb 2005, at 13:18, fuzzbucket wrote:
>

> I checked out this vuln myself and thought you'd have to be on crack to
> fall for it, but then I saw screen grabs from other systems that looked
> a lot more convincing. I could still see where the spoof was, but I 
> knew
> what to look for. For what it's worth, here's how it looks on my 
> system:
>
> http://homepage.eircom.net/~wastedyouth/spoof.png

That's because your preferred font doesn't have glyphs for the Unicode 
range being used, so the renderer switches to its closest match for the 
spoofed character.  Where these glyphs *do* exist in the preferred font 
(which would be a much more normal case on Windows and OS X at least), 
the spoofed character looks indistinguishable from the original.  It is 
very definitely not an easy-to-spot spoof.

	Colm

-- 
Colm Buckley / colm at tuatha.org / +353 87 2469146 / www.colm.buckley.name





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