CVE-2021-0484 Information disclosure in Android

Medium 5.5 Published 11 Jun 2021 Updated 3 Aug 2024

A missing bounds check in Android's media player allows local attackers to read uninitialized heap data, potentially exposing sensitive information.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2021-0484?

CVE-2021-0484 is a medium-severity vulnerability in Google Android, published on 11 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In readVector of IMediaPlayer.cpp, there is a possible read of uninitialized heap data due to a missing bounds check. 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-173720767

Weakness: CWE-909

Which versions are affected by CVE-2021-0484?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0484?

Apply the vendor's patch.

Is CVE-2021-0484 being exploited?

There is no known exploitation of CVE-2021-0484 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-173720767, ASB-A-173720767, GHSA-fq53-qq54-mggp.