In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.
CVE-2023-21281 - High Severity Vulnerability
Vulnerable Library - baseandroid-11.0.0_r39
Android framework classes and services
Library home page: https://android.googlesource.com/platform/frameworks/base
Found in HEAD commit: 9ad726714925ef4343da532b952622b33bdc91be
Found in base branch: master
Vulnerable Source Files (1)
/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
Vulnerability Details
In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.
Publish Date: 2023-08-14
URL: CVE-2023-21281
CVSS 3 Score Details (7.8)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://android.googlesource.com/platform/frameworks/base/+/badb243574d7fca9aa89152d9d25eeb4f8615385
Release Date: 2023-08-14
Fix Resolution: android-13.0.0_r67
Step up your Open Source Security Game with Mend here