CVE-2021-0436: Integer Overflow

Published Apr 5, 2021
·
Updated

In CryptoPlugin::decrypt of CryptoPlugin.cpp, there is a possible out of bounds read due to 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-8.1 Android-9 Android-10 Android-11Android ID: A-176496160

Affected Software

5 affected components
Google Android=8.1
Google Android=9.0
Google Android=10.0
Google Android=11.0
Google Android

Event History

Apr 5, 2021
CVE Published
via Android·12:00 AM
Apr 13, 2021
CVE Published
via MITRE·06:25 PM
Data Sourced
via MITRE·06:25 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2021-0436?

CVE-2021-0436 is classified as a moderate severity vulnerability due to its potential for local information disclosure.

2

How do I fix CVE-2021-0436?

To fix CVE-2021-0436, update to the latest version of Android that includes security patches addressing this vulnerability.

3

What versions of Android are affected by CVE-2021-0436?

CVE-2021-0436 affects Android versions 8.1, 9.0, 10.0, and 11.0.

4

Can CVE-2021-0436 be exploited without user interaction?

Yes, CVE-2021-0436 can be exploited without any user interaction required.

5

What kind of exposure does CVE-2021-0436 allow?

CVE-2021-0436 allows for local information disclosure due to out of bounds read from an integer overflow.

Contact

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