Improper Input Validation Allows Unauthorized Foreground Service Start in Android

CVE-2022-20356 · HIGH Severity

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

In shouldAllowFgsWhileInUsePermissionLocked of ActiveServices.java, there is a possible way to start foreground service from background due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-215003903

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