In showNextSecurityScreenOrFinish of KeyguardSecurityContainerController.java, there is a possible way to access the lock screen during device setup due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Link | Tags |
---|---|
https://android.googlesource.com/platform/frameworks/base/+/a33159e8cb297b9eee6fa5c63c0e343d05fad622 | patch |
https://source.android.com/security/bulletin/2023-07-01 | patch vendor advisory |