CVE-2020-27059 (High) detected in baseandroid-10.0.0_r34

[mend-bolt-for-github]

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: 63dffabe2f7231360a99be2201b925eaed040fb6

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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