CVE-2021-0706 Missing authorization in Android

Medium 5.5 Published Updated

A missing permission check in Android's PluginManagerImpl allows local attackers to disable arbitrary app components, causing denial of service.

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-2021-0706?

CVE-2021-0706 is a medium-severity missing authorization vulnerability in Google Android, published on 22 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In startListening of PluginManagerImpl.java, there is a possible way to disable arbitrary app components due to a missing permission check. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-193444889

Weakness: CWE-862

Which versions are affected by CVE-2021-0706?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0706?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-0706 being exploited?

There is no known exploitation of CVE-2021-0706 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-193444889, ASB-A-193444889, GHSA-9xq4-q28j-hccr.

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