In openAssetFileListener of ContactsProvider2.java, there is a possible permission bypass due to an insecure default value. This could lead to local escalation of privilege to change contact data with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-150857116
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/pixel/2020-12-01 | patch vendor advisory |