Improper Input Validation in setInputMethodWithSubtypeIdLocked of InputMethodManagerService.java Allows Local Privilege Escalation

CVE-2023-21192 · HIGH Severity

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

In setInputMethodWithSubtypeIdLocked of InputMethodManagerService.java, there is a possible way to setup input methods that are not enabled 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-13Android ID: A-227207653

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