From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Pinyao Ting <pinyaoting@google.com>
Date: Thu, 14 Jul 2022 11:25:54 -0700
Subject: [PATCH] Fix a security issue in app widget service.
Bug: 234013191
Test: atest RemoteViewsAdapterTest
Change-Id: Icd2eccb7a90124aca18a3dd463c3f79e3a595c20
Merged-In: Icd2eccb7a90124aca18a3dd463c3f79e3a595c20
(cherry picked from commit 263d7d0ba8818c471a27938c4e002bae33569f01)
(cherry picked from commit 0ee21ef3e652c78c934d257632a4951bd6d38011)
Merged-In: Icd2eccb7a90124aca18a3dd463c3f79e3a595c20
---
core/java/android/appwidget/AppWidgetManager.java | 4 +++-
.../com/android/server/appwidget/AppWidgetServiceImpl.java | 7 ++++---
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/core/java/android/appwidget/AppWidgetManager.java b/core/java/android/appwidget/AppWidgetManager.java
index 20248b90d1e9..b8d33b1c8a17 100644
--- a/core/java/android/appwidget/AppWidgetManager.java
+++ b/core/java/android/appwidget/AppWidgetManager.java
@@ -1089,7 +1089,9 @@ public class AppWidgetManager {
* @param intent The intent of the service which will be providing the data to the
* RemoteViewsAdapter.
* @param connection The callback interface to be notified when a connection is made or lost.
- * @param flags Flags used for binding to the service
+ * @param flags Flags used for binding to the service. Currently only
+ * {@link Context#BIND_AUTO_CREATE} and
+ * {@link Context#BIND_FOREGROUND_SERVICE_WHILE_AWAKE} are supported.
*
* @see Context#getServiceDispatcher(ServiceConnection, Handler, int)
* @hide
diff --git a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
index da52d408e125..9c18029ec693 100644
--- a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
+++ b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
@@ -1299,11 +1299,12 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku
try {
// Ask ActivityManager to bind it. Notice that we are binding the service with the
// caller app instead of DevicePolicyManagerService.
- if(ActivityManager.getService().bindService(
+ if (ActivityManager.getService().bindService(
caller, activtiyToken, intent,
intent.resolveTypeIfNeeded(mContext.getContentResolver()),
- connection, flags, mContext.getOpPackageName(),
- widget.provider.getUserId()) != 0) {
+ connection, flags & (Context.BIND_AUTO_CREATE
+ | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE),
+ mContext.getOpPackageName(), widget.provider.getUserId()) != 0) {
// Add it to the mapping of RemoteViewsService to appWidgetIds so that we
// can determine when we can call back to the RemoteViewsService later to