DivestOS/Patches/LineageOS-15.1/android_frameworks_base/354243.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Kunal Malhotra <malhk@google.com>
Date: Mon, 7 Nov 2022 23:33:55 +0000
Subject: [PATCH] Checking if package belongs to UID before registering
broadcast receiver
Test: manual testing done on device by installing test APK and checking if receiver can register
Bug: 242040055
Change-Id: Ia525f218a46f8bf7fff660cec0d6432f09fdf24d
Merged-In: Ia525f218a46f8bf7fff660cec0d6432f09fdf24d
(cherry picked from commit 790a8d0dd329460bc60456681cb446accf2a27e0)
(cherry picked from commit 4f0dc37b896e06086391e71ce471e413215e1130)
Merged-In: Ia525f218a46f8bf7fff660cec0d6432f09fdf24d
---
services/core/java/com/android/server/am/ActiveServices.java | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/services/core/java/com/android/server/am/ActiveServices.java b/services/core/java/com/android/server/am/ActiveServices.java
index 67443611cf78..d3f04fe6285d 100644
--- a/services/core/java/com/android/server/am/ActiveServices.java
+++ b/services/core/java/com/android/server/am/ActiveServices.java
@@ -1756,6 +1756,11 @@ public final class ActiveServices {
throw new SecurityException("BIND_EXTERNAL_SERVICE failed, " + name +
" is not an isolatedProcess");
}
+ if (AppGlobals.getPackageManager().getPackageUid(callingPackage,
+ 0, userId) != callingUid) {
+ throw new SecurityException("BIND_EXTERNAL_SERVICE failed, "
+ + "calling package not owned by calling UID ");
+ }
// Run the service under the calling package's application.
ApplicationInfo aInfo = AppGlobals.getPackageManager().getApplicationInfo(
callingPackage, ActivityManagerService.STOCK_PM_FLAGS, userId);