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Date: Mon, 18 Jul 2016 14:23:41 -0400
From: Jan Schaumann <>
Subject: Re: A CGI application vulnerability for PHP, Go,
 Python and others

Richard Rowe <> wrote:
> The consequence is that an attacker can force a proxy of their choice to be
> used. This proxy receives the full request for anything sent over HTTP
> using a vulnerable client. It can also act in a malicious way to tie up
> server resources (a "reverse slowloris").

I know you mentioned it on, but I think it's worth
stressing explicitly again:  use of HTTPS for all requests made by the
application, internal as well as external, defeats this vulnerability
(provided certificates are actually verified).


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