CVE-2022-20543 Denial of service in Android

Low 2.3 Published Updated

A local attacker with system execution privileges can cause a display crash loop in Android due to improper input validation.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2022-20543?

CVE-2022-20543 is a low-severity denial of service vulnerability in Google Android, published on 16 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In multiple locations, there is a possible display crash loop due to improper input validation. This could lead to local denial of service with system execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-238178261

Weakness: CWE-1284

Which versions are affected by CVE-2022-20543?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20543?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-20543 being exploited?

There is no known exploitation of CVE-2022-20543 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-238178261, GHSA-j5gx-4346-5ffr, PUB-A-238178261.

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