🔒 Fix exported WatchSyncService vulnerability#25
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Changed `android:exported="true"` to `android:exported="false"` for `WatchSyncService` in `AndroidManifest.xml` to prevent unauthorized triggering from other apps. Co-authored-by: Max97k <14903047+Max97k@users.noreply.github.com>
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Code Review
This pull request modifies the AndroidManifest.xml to set android:exported="false" on the WatchSyncService. The reviewer points out that this change will break Wear OS communication because Google Play services won't be able to bind to the service. The recommended solution is to keep the service exported but restrict access using the BIND_PLAY_SERVICES permission.
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| android:name=".service.WatchSyncService" | ||
| android:enabled="true" | ||
| android:exported="true"> | ||
| android:exported="false"> |
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Setting android:exported="false" on a WearableListenerService will prevent Google Play services from binding to it, which completely breaks the communication between the Wear OS watch and the handheld app.
To secure this service without breaking its functionality, keep android:exported="true" and restrict access by adding the android:permission="com.google.android.gms.permission.BIND_PLAY_SERVICES" attribute. This ensures that only Google Play services can bind to the service.
android:exported="true"
android:permission="com.google.android.gms.permission.BIND_PLAY_SERVICES">
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🎯 What: The
WatchSyncServicein theapp/src/main/AndroidManifest.xmlwas explicitly exported without permission constraints.WearableListenerServicecould be bound to or triggered by any unauthorized application on the user's handheld device. An attacker could potentially start or stop location tracking sessions unexpectedly, leading to tracking without user knowledge or interference with desired tracking sessions.🛡️ Solution: Modified the
WatchSyncServicedefinition to setandroid:exported="false". Since it is an internal service responding to the Wear OS data layer, it doesn't need to be fully exported to other apps on the device, mitigating the vulnerability while preserving functionality.PR created automatically by Jules for task 10926082899175185092 started by @Max97k