| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.security.cts; |
| |
| import android.platform.test.annotations.AsbSecurityTest; |
| |
| import com.android.tradefed.device.ITestDevice; |
| import com.android.tradefed.testtype.DeviceJUnit4ClassRunner; |
| import com.android.sts.common.tradefed.testtype.NonRootSecurityTestCase; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @RunWith(DeviceJUnit4ClassRunner.class) |
| public class CVE_2021_39797 extends NonRootSecurityTestCase { |
| |
| @AsbSecurityTest(cveBugId = 209607104) |
| @Test |
| public void testPocCVE_2021_39797() throws Exception { |
| ITestDevice device = getDevice(); |
| final String testPkg = "android.security.cts.CVE_2021_39797_test"; |
| final String targetPkg = "android.security.cts.CVE_2021_39797_target"; |
| uninstallPackage(device, testPkg); |
| uninstallPackage(device, targetPkg); |
| |
| /* Wake up the screen */ |
| AdbUtils.runCommandLine("input keyevent KEYCODE_WAKEUP", device); |
| AdbUtils.runCommandLine("input keyevent KEYCODE_MENU", device); |
| AdbUtils.runCommandLine("input keyevent KEYCODE_HOME", device); |
| |
| installPackage("CVE-2021-39797-test.apk"); |
| installPackage("CVE-2021-39797-target.apk"); |
| String previous = AdbUtils.runCommandLine("settings get global hidden_api_policy", device); |
| |
| /* Set the property hidden_api_policy to 1 in order to access the vulnerable function |
| getMainActivityLaunchIntent of class LauncherApps */ |
| AdbUtils.runCommandLine("settings put global hidden_api_policy 1", device); |
| runDeviceTests(testPkg, testPkg + ".DeviceTest", "testTaskOverride"); |
| |
| /* Restore the property hidden_api_policy to its previous value */ |
| AdbUtils.runCommandLine("settings put global hidden_api_policy " + previous, device); |
| } |
| } |