CVE-2021-0508: Use After Free

Published Jun 7, 2021

Updated

In various functions of DrmPlugin.cpp, there is a possible use after free due to a race condition. This could lead to local escalation of privilege 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-176444154

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/2021-06-01

Event History

Jun 7, 2021

CVE Published

via Android·12:00 AM

Data Sourced

via Android·12:00 AM

SeverityWeaknessAffected Software

Jun 21, 2021

CVE Published

via MITRE·04:01 PM

Data Sourced

via MITRE·04:01 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2021-0508?

CVE-2021-0508 has a critical severity rating as it allows local escalation of privilege due to a use-after-free vulnerability.

How do I fix CVE-2021-0508?

To fix CVE-2021-0508, users should update their Android devices to the latest security patch provided by Google.

Which versions of Android are affected by CVE-2021-0508?

CVE-2021-0508 affects Android versions 8.1, 9.0, 10.0, and 11.0.

Is user interaction required for exploiting CVE-2021-0508?

No, user interaction is not needed for exploiting CVE-2021-0508, making it a more concerning vulnerability.

What type of vulnerability is CVE-2021-0508?

CVE-2021-0508 is classified as a use-after-free vulnerability caused by a race condition in the DrmPlugin.cpp.