CVE-2022-20112 Privilege escalation in Android

Medium 5.5 Published Updated

A guest user can bypass permissions to change private DNS settings, leading to local privilege escalation on Android devices.

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-2022-20112?

CVE-2022-20112 is a medium-severity vulnerability in Google Android, published on 10 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In getAvailabilityStatus of PrivateDnsPreferenceController.java, there is a possible way for a guest user to change private DNS settings due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-206987762

Weakness: CWE-269

Which versions are affected by CVE-2022-20112?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20112?

Apply the vendor's patch.

Is CVE-2022-20112 being exploited?

There is no known exploitation of CVE-2022-20112 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-206987762, ASB-A-206987762, GHSA-m54q-j96w-rcmw.

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