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Re: [Bug-wget] Vulnerability Report - CRLF Injection in Wget Host Part


From: Tim Rühsen
Subject: Re: [Bug-wget] Vulnerability Report - CRLF Injection in Wget Host Part
Date: Mon, 06 Mar 2017 20:03:00 +0100
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On Dienstag, 7. März 2017 02:01:06 CET Orange Tsai wrote:
> I am surprise that `http://address@hidden:address@hidden will connect to `
> evil.com`, not `good.com`.
> Most of URL parser will recognize `good.com` is host part. Like this
> advisory, https://curl.haxx.se/docs/adv_20161102J.html
> It seem more dangerous if a developer still rely on the result of parse URL
> than my original report.
> 
> Some testing:
> $ python try.py 'http://address@hidden:address@hidden/x'
> 
> Python scheme=http, address@hidden:address@hidden, port=
> PHP scheme=http, host=127.2.2.2, port=
> Perl scheme=http, host=127.2.2.2, port=80
> Ruby2 scheme=http, host=127.2.2.2, port=
> GO scheme=http, host=127.2.2.2, port=
> Java scheme=http, host=, port=-1
> JS scheme=http, host=127.2.2.2, port=null
> 
> 
> 
> But it seems also the same root cause and fixed at this patch. :)
> By the way, would you mind that allocating a CVE-ID to address this?

I'd appreciate that. But I never did that, so who does allocate a CVE how and 
where ? I am willing to learn :-)

Tim

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