In setActualDefaultRingtoneUri of RingtoneManager.java, there is a possible way to bypass content providers read permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
During installation, installed file permissions are set to allow anyone to modify those files.
Link | Tags |
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https://source.android.com/security/bulletin/2025-01-01 | vendor advisory |