bugtraq - Re: [FD] Major Internet Explorer Vulnerability

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Date: Wed, 04 Feb 2015 14:43:20 +0800
From: David Leo <david.leo@...sen.co.uk>
To: Joey Fowler <joey@...blr.com>
CC: bugtraq@...urityfocus.com, fulldisclosure@...lists.org,
  bugs@...uritytracker.com, cve-assign@...re.org
Subject: Re: [FD] Major Internet Explorer Vulnerability - NOT Patched

Microsoft was notified on Oct 13, 2014.

Joey thank you very much for your words.

Kind Regards,

On 2015/2/3 4:53, Joey Fowler wrote:
> Hi David,
>
> "nice" is an understatement here.
>
> I've done some testing with this one and, while there /are/ quirks, it most definitely works. It even bypasses standard HTTP-to-HTTPS restrictions.
>
> As long as the page(s) being framed don't contain X-Frame-Options headers (with `deny` or `same-origin` values), it executes successfully. Pending the payload being injected, most Content Security Policies are also bypassed (by injecting HTML instead of JavaScript, that is).
>
> It looks like, through this method, all viable XSS tactics are open!
>
> Nice find!
>
> Has this been reported to Microsoft outside (or within) this thread?
>
> --
> Joey Fowler
> Senior Security Engineer, Tumblr
>
>
>
> On Sat, Jan 31, 2015 at 9:18 AM, David Leo <david.leo@...sen.co.uk <mailto:david.leo@...sen.co.uk>> wrote:
>
>     Deusen just published code and description here:
>     http://www.deusen.co.uk/items/__insider3show.3362009741042107/ <http://www.deusen.co.uk/items/insider3show.3362009741042107/>
>     which demonstrates the serious security issue.
>
>     Summary
>     An Internet Explorer vulnerability is shown here:
>     Content of dailymail.co.uk <http://dailymail.co.uk> can be changed by external domain.
>
>     How To Use
>     1. Close the popup window("confirm" dialog) after three seconds.
>     2. Click "Go".
>     3. After 7 seconds, "Hacked by Deusen" is actively injected into dailymail.co.uk <http://dailymail.co.uk>.
>
>     Technical Details
>     Vulnerability: Universal Cross Site Scripting(XSS)
>     Impact: Same Origin Policy(SOP) is completely bypassed
>     Attack: Attackers can steal anything from another domain, and inject anything into another domain
>     Tested: Jan/29/2015 Internet Explorer 11 Windows 7
>
>     If you like it, please reply "nice".
>
>     Kind Regards,
>
>
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