Missing Permission Check in GattService.java Allows Unauthorized Retrieval of Bluetooth Scan Results

CVE-2021-0328 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

In onBatchScanReports and deliverBatchScan of GattService.java, there is a possible way to retrieve Bluetooth scan results without permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-172670415

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