In AddSupervisedUserActivity, guest users are not prevented from starting the activity due to missing permissions checks. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-249057848
CVE-2023-20959 - High Severity Vulnerability
Vulnerable Library - Settingsandroid-10.0.0_r12
Library home page: https://android.googlesource.com/platform/packages/apps/Settings
Found in HEAD commit: e2a6ed8aa0a8dba75c2040ed82fdea724fd364da
Found in base branch: master
Vulnerable Source Files (1)
/src/com/android/settings/users/UserSettings.java
Vulnerability Details
In AddSupervisedUserActivity, guest users are not prevented from starting the activity due to missing permissions checks. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-249057848
Publish Date: 2023-03-24
URL: CVE-2023-20959
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/packages/apps/Settings/+/ee476cab1832f7aaa1b0dba429012ee7e15163b9
Release Date: 2023-03-24
Fix Resolution: android-13.0.0_r32
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