| /* |
| * 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 static org.junit.Assume.assumeNoException; |
| |
| import android.platform.test.annotations.AsbSecurityTest; |
| |
| import com.android.sts.common.tradefed.testtype.StsExtraBusinessLogicHostTestBase; |
| import com.android.tradefed.device.ITestDevice; |
| import com.android.tradefed.testtype.DeviceJUnit4ClassRunner; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @RunWith(DeviceJUnit4ClassRunner.class) |
| public class CVE_2021_39795 extends StsExtraBusinessLogicHostTestBase { |
| private static final String TEST_PKG = "android.security.cts.CVE_2021_39795"; |
| private static final String DIR_PATH = "/storage/emulated/0/Android/data/CVE-2021-39795-dir"; |
| |
| @AsbSecurityTest(cveBugId = 201667614) |
| @Test |
| public void testPocCVE_2021_39795() { |
| ITestDevice device = null; |
| try { |
| device = getDevice(); |
| |
| /* 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-2021-39795.apk"); |
| |
| /* Make a directory inside "Android/data" folder */ |
| AdbUtils.runCommandLine("mkdir " + DIR_PATH, device); |
| |
| /* Allow Read and Write to external storage */ |
| AdbUtils.runCommandLine( |
| "pm grant " + TEST_PKG + " android.permission.READ_EXTERNAL_STORAGE", device); |
| AdbUtils.runCommandLine( |
| "pm grant " + TEST_PKG + " android.permission.WRITE_EXTERNAL_STORAGE", device); |
| |
| /* Allow the app to manage all files */ |
| AdbUtils.runCommandLine( |
| "appops set --uid " + TEST_PKG + " MANAGE_EXTERNAL_STORAGE allow", device); |
| |
| runDeviceTests(TEST_PKG, TEST_PKG + ".DeviceTest", "testFilePresence"); |
| } catch (Exception e) { |
| assumeNoException(e); |
| } finally { |
| try { |
| AdbUtils.runCommandLine("rm -rf " + DIR_PATH, device); |
| } catch (Exception e) { |
| // ignore the exceptions |
| } |
| } |
| } |
| } |