CVE-2021-0963: High severity Google Android vulnerability

Published Dec 6, 2021

Updated

In onCreate of KeyChainActivity.java, there is a possible way to use an app certificate stored in keychain due to a tapjacking/overlay attack. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-199754277

Affected Software

5 affected components

Google Android=9.0

Google Android=10.0

Google Android=11.0

Google Android=12.0

Google Android

Event History

Dec 6, 2021

CVE Published

via Android·12:00 AM

Data Sourced

via Android·12:00 AM

SeverityWeaknessAffected Software

Dec 15, 2021

CVE Published

via MITRE·06:05 PM

Data Sourced

via MITRE·06:05 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2021-0963?

CVE-2021-0963 has a moderate severity level due to its potential for local privilege escalation through a tapjacking attack.

How do I fix CVE-2021-0963?

To fix CVE-2021-0963, update the Android software on your device to the latest available version.

Which versions of Android are affected by CVE-2021-0963?

CVE-2021-0963 affects Android versions 9.0, 10.0, 11.0, and 12.0.

What is the nature of the vulnerability in CVE-2021-0963?

CVE-2021-0963 is a vulnerability that allows exploitation through a tapjacking/overlay attack, enabling usage of an app certificate stored in the keychain.

Is user interaction required for the exploitation of CVE-2021-0963?

Yes, exploitation of CVE-2021-0963 requires user interaction to be successful.