CVE-2021-39796: High severity Google Android vulnerability

Published Apr 4, 2022
·
Updated

In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291

Affected Software

5 affected components
Google Android=10.0
Google Android=11.0
Google Android=12.0
Google Android=12.1
Google Android

Event History

Apr 4, 2022
CVE Published
via Android·12:00 AM
Data Sourced
via Android·12:00 AM
SeverityWeaknessAffected Software
Apr 12, 2022
CVE Published
via MITRE·04:11 PM
Data Sourced
via MITRE·04:11 PM
DescriptionWeakness

Frequently Asked Questions

1

What access and user actions are required for exploitation?

An attacker needs local access with user-level execution privileges. Exploitation also requires the victim to interact with a tapjacking or overlay interface.

2

What is the likely impact if exploitation succeeds?

A successful attack can trick the victim into installing a harmful application and may result in local elevation of privilege. Confidentiality, integrity, and availability are all rated as high impact in the provided CVSS vector.

3

Which Android releases are listed as affected?

The affected releases listed are Android 10, Android 11, Android 12, and Android 12L.

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