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49 lines
2.2 KiB
Diff
49 lines
2.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Grace Jia <xiaotonj@google.com>
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Date: Thu, 20 Jul 2023 13:42:50 -0700
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Subject: [PATCH] Fix vulnerability in CallRedirectionService.
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Currently when the CallRedirectionService binding died, we didn't do
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anything, which cause malicious app start activities even not run in the
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background by implementing a CallRedirectionService and overriding the
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onPlaceCall method to schedule a activity start job in an independent
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process and then kill itself. In that way, the activity can still
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start after the CallRedirectionService died. Fix this by unbinding the
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service when the binding died.
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Bug: b/289809991
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Test: Using testapp provided in bug to make sure the test activity can't
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be started
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:29b52e3cd027da2d8644450a4dee3a7d95dc0043)
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Merged-In: I065d361b83700474a1efab2a75928427ee0a14ba
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Change-Id: I065d361b83700474a1efab2a75928427ee0a14ba
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---
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.../callredirection/CallRedirectionProcessor.java | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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diff --git a/src/com/android/server/telecom/callredirection/CallRedirectionProcessor.java b/src/com/android/server/telecom/callredirection/CallRedirectionProcessor.java
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index 5de576ccb..b7c719689 100644
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--- a/src/com/android/server/telecom/callredirection/CallRedirectionProcessor.java
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+++ b/src/com/android/server/telecom/callredirection/CallRedirectionProcessor.java
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@@ -164,6 +164,20 @@ public class CallRedirectionProcessor implements CallRedirectionCallback {
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Log.endSession();
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}
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}
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+
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+ @Override
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+ public void onBindingDied(ComponentName componentName) {
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+ // Make sure we unbind the service if binding died to avoid background stating
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+ // activity leaks
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+ Log.startSession("CRSC.oBD");
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+ try {
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+ synchronized (mTelecomLock) {
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+ finishCallRedirection();
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+ }
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+ } finally {
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+ Log.endSession();
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+ }
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+ }
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}
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private class CallRedirectionAdapter extends ICallRedirectionAdapter.Stub {
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