In createNoCredentialsPermissionNotification and related functions of AccountManagerService.java, there is a possible way to retrieve accounts from the device without permissions due to a permissions bypass. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-179338675

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-0704
• https://source.android.com/security/bulletin/2021-12-01