CVE-2022-20360 Missing authorization in Android

Medium 6.2 Published Updated

A missing permission check in Android's NFC settings allows local attackers to escalate privileges from guest user without user interaction.

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

What is CVE-2022-20360?

CVE-2022-20360 is a medium-severity missing authorization vulnerability in Google Android, published on 9 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In setChecked of SecureNfcPreferenceController.java, there is a missing permission check. This could lead to local escalation of privilege from the guest user 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-228314987

Weakness: CWE-862, CWE-269

Which versions are affected by CVE-2022-20360?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20360?

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-2022-20360 being exploited?

There is no known exploitation of CVE-2022-20360 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Google Android vulnerabilities

Sources

Also known as A-228314987, ASB-A-228314987, GHSA-xcm8-g7mw-j48f.

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