CVE-2020-0428 Use after free in Android

Medium 6.4 Published 17 Sep 2020 Updated 4 Aug 2024

A race condition in Android's CamX code allows local attackers with system privileges to escalate privileges via a use-after-free vulnerability.

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-2020-0428?

CVE-2020-0428 is a medium-severity use after free vulnerability in Google Android, published on 17 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In CamX code, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges required. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-123999783

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2020-0428?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2020-0428?

No fix has been published for CVE-2020-0428 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-2020-0428 being exploited?

There is no known exploitation of CVE-2020-0428 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-qg98-9h5g-6p53.