bugtraq - Re: Re: Re: [WEB SECURITY] Universal XSS with PDF files: highly dangerous

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Message-ID: <20070108183206.6941.qmail@securityfocus.com>
Date: 8 Jan 2007 18:32:06 -0000
From: rudeyak@...oo.com
To: bugtraq@...urityfocus.com
Subject: Re: Re: Re: [WEB SECURITY] Universal XSS with PDF files: highly
 dangerous

A correction to my previous post: since THE_REQUEST looks like "GET /foo/bar/baz.pdf HTTP/1.0", the regex used needs to match the space between "pdf" and "HTTP", so this mod works better:

RewriteCond %{THE_REQUEST} .*\.pdf[^\wA-Za-z0-9._?&%-]

Again, YMMV depending on what characters you expect to be valid trailing ".pdf" in your application.