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author William Leshner <wleshner@google.com> 2023-11-03 23:32:33 +0000
committer Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> 2023-11-03 23:32:33 +0000
commit43bc68b84561eaaaaab464c60afb49ae5ed5f05b (patch)
treeb564977d849edb9efefdd60cd9105666684d5cc9
parentc94352e3250836fbf80af88ce92211880ffc2b2a (diff)
parent66864c7ac85a1efc00b5cd3bd48a72a8b62f8f89 (diff)
Merge "Fix vulnerability that allowed attackers to start arbitary activities" into rvc-dev am: 6b55e12830 am: eebdc4c3b6 am: 66864c7ac8
Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25238611 Change-Id: I7d3e6f6e4b16e7151d3a3863ed948d8a92057701 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
-rw-r--r--packages/SettingsLib/src/com/android/settingslib/dream/DreamBackend.java12
1 files changed, 11 insertions, 1 deletions
diff --git a/packages/SettingsLib/src/com/android/settingslib/dream/DreamBackend.java b/packages/SettingsLib/src/com/android/settingslib/dream/DreamBackend.java
index ab7b54d98285..beadd821957b 100644
--- a/packages/SettingsLib/src/com/android/settingslib/dream/DreamBackend.java
+++ b/packages/SettingsLib/src/com/android/settingslib/dream/DreamBackend.java
@@ -351,7 +351,17 @@ public class DreamBackend {
if (cn != null && cn.indexOf('/') < 0) {
cn = resolveInfo.serviceInfo.packageName + "/" + cn;
}
- return cn == null ? null : ComponentName.unflattenFromString(cn);
+ // Ensure that the component is from the same package as the dream service. If not,
+ // treat the component as invalid and return null instead.
+ final ComponentName result = cn != null ? ComponentName.unflattenFromString(cn) : null;
+ if (result != null
+ && !result.getPackageName().equals(resolveInfo.serviceInfo.packageName)) {
+ Log.w(TAG,
+ "Inconsistent package name in component: " + result.getPackageName()
+ + ", should be: " + resolveInfo.serviceInfo.packageName);
+ return null;
+ }
+ return result;
}
private static void logd(String msg, Object... args) {