CVE-2023-20963

In multiple locations, there is a possible way to achieve code execution due to an integer overflow. This leads to local escalation of privilege with no additional execution privileges needed and no user interaction.

In multiple locations, there is a possible way to launch activities from the background due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

The vulnerability is due to a logic error in the code that allows bypassing security controls. It could lead to local escalation of privilege with no additional execution privileges needed, but user interaction is required for exploitation.

In onCreate of WindowState.java, there is a logic error that allows launching a background activity. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

A use-after-free in binder.c allows an elevation of privilege from an application to the Linux Kernel. No user interaction is required to exploit this vulnerability, however exploitation does require either the installation of a malicious local application or a separate vulnerability in a network facing application. Product: Android. Android ID: A-141720095.