CVE-2020-0268 Use after free in Android

Medium 6.4 Published 18 Sep 2020 Updated 4 Aug 2024

A race condition in Android NFC allows local attackers with system privileges to escalate privileges via use-after-free.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-0268?

CVE-2020-0268 is a medium-severity use after free vulnerability in Google Android, published on 18 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In NFC, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-148294643

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2020-0268?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2020-0268?

No fix has been published for CVE-2020-0268 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2020-0268 being exploited?

There is no known exploitation of CVE-2020-0268 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-wmxr-q76g-c3rw.