CVE-2021-0471: Integer Overflow

Published Apr 5, 2021

Updated

In decrypt12 of CryptoPlugin.cpp, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-176444786

Affected Software

5 affected components

Google Android=8.1

Google Android=9.0

Google Android=10.0

Google Android=11.0

Google Android

Remediation

Patch Available

https://source.android.com/security/bulletin/2021-04-01

Event History

Apr 5, 2021

CVE Published

via Android·12:00 AM

Apr 13, 2021

CVE Published

via MITRE·06:24 PM

Data Sourced

via MITRE·06:24 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2021-0471?

The severity of CVE-2021-0471 is classified as a moderate risk due to potential local information disclosure.

How do I fix CVE-2021-0471?

To fix CVE-2021-0471, ensure that your Android device is updated to the latest version provided by Google.

What are the affected Android versions for CVE-2021-0471?

CVE-2021-0471 affects Android versions 8.1, 9.0, 10.0, and 11.0.

Is user interaction required to exploit CVE-2021-0471?

No, user interaction is not needed for the exploitation of CVE-2021-0471.

What type of vulnerability is CVE-2021-0471?

CVE-2021-0471 is an out of bounds read vulnerability due to an integer overflow.