CVE-2025-43520 Apple产品内核内存损坏漏洞

// CVE-2025-43520 PoC - Kernel Memory Write via Malicious App // Note: This is a conceptual PoC for educational purposes only // Attack Prerequisites: // 1. Attacker has ability to deploy and run applications on target device // 2. Target device runs vulnerable iOS/macOS version // Conceptual exploit steps: function triggerCVE202543520() { // Step 1: Identify target device and OS version let targetVersion = getIOSVersion(); // Step 2: Check if version is vulnerable (pre-18.7.2/26.1) if (isVulnerable(targetVersion)) { // Step 3: Trigger memory corruption via IOStorageFamily or similar let maliciousPayload = craftKernelWritePayload(); // Step 4: Execute via IPC or IOKit interface sendToKernelInterface(maliciousPayload); // Step 5: Either cause DoS or achieve code execution if (triggerPanic) { causeSystemTermination(); } else { escalatePrivileges(); } } } // Mitigation: Update to iOS 18.7.2+, macOS 15.7.2+, etc.