In onAuthenticated of AuthenticationClient.java, there is a possible tapjacking attack when requesting the user's fingerprint due to an overlaid window. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, 11; Android ID: A-159249069.
:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.
CVE-2020-27059 - High Severity Vulnerability
Vulnerable Library - baseandroid-10.0.0_r34
Android framework classes and services
Library home page: https://android.googlesource.com/platform/frameworks/base
Found in HEAD commit: a30c126b92a5424aaf0a7b3be1b56c1cbc714097
Found in base branch: master
Vulnerable Source Files (1)
/services/core/java/com/android/server/biometrics/AuthenticationClient.java
Vulnerability Details
In onAuthenticated of AuthenticationClient.java, there is a possible tapjacking attack when requesting the user's fingerprint due to an overlaid window. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, 11; Android ID: A-159249069.
Publish Date: 2021-01-11
URL: CVE-2020-27059
CVSS 3 Score Details (7.8)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: None - User Interaction: Required - 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/+/refs/tags/android-11.0.0_r28
Release Date: 2020-10-13
Fix Resolution: android-11.0.0_r28
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