full-disclosure - Re: Internet Explorer URL parsing vulnerabi lity

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From: esper at sherohman.org (Dave Sherohman)
Subject: Re: Internet Explorer URL parsing vulnerabi lity

On Thu, Dec 11, 2003 at 10:36:41AM -0800, Jim Race wrote:
> Check that. With Moz 1.5:
> 
> Opening in a new *TAB* takes one to MS. Clicking the link takes one to 
> /. with "http://www.microsoft.com%01@...shdot.org/" in the address bar.
> 
> That's odd.

Not all that odd.  Take a look at the source for that link:

<a href="http://www.microsoft.com" onclick="location.href=unescape('http://www.microsoft.com%01@...shdot.org/');return false;">

The link actually _is_ to microsoft initially, but the onclick
handler changes it to microsoft%01@...shdot.  If you hit it without
triggering the onclick handler (say, by middle-clicking to open it in
a new tab), then going to microsoft is to be expected.

-- 
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White Hats over the past several millennia, and it is vitally important that
we don't give them up now, only because we are frightened.
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