bugtraq - Re: Web 2.0 backdoors made easy with MSIE & XMLHttpRequest

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Message-ID: <Pine.LNX.4.58.0702032231410.30846@dione>
Date: Sat, 3 Feb 2007 22:34:02 +0100 (CET)
From: Michal Zalewski <lcamtuf@...ne.ids.pl>
To: bugtraq@...urityfocus.com
Cc: full-disclosure@...ts.grok.org.uk, websecurity@...appsec.org
Subject: Re: Web 2.0 backdoors made easy with MSIE & XMLHttpRequest

On Sat, 3 Feb 2007, Michal Zalewski wrote:

>   xmlhttp.open("GET\thttp://dione.ids.pl/\tHTTP/1.0\n\n", "x",true);

Funny enough, Paul Szabo was quick to point out that Amit Klein found the
same vector that I used here for client-side backdoors in May 2006 (still
not patched?! *shrieks in horror*), but for cache poisoning:

  "IE + some popular forward proxy servers = XSS, defacement (browser cache poisoning)"
  http://www.securityfocus.com/archive/1/434931

This is getting depressing. May 2006.

/mz