CVE-2022-20394 Information disclosure in Android

Medium 5.0 Published Updated

A missing permission check in Android allows local attackers to determine when another app displays an input method, leading to information disclosure.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2022-20394?

CVE-2022-20394 is a medium-severity vulnerability in Google Android, published on 11 Oct 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In getInputMethodWindowVisibleHeight of InputMethodManagerService.java, there is a possible way to determine when another app is showing an IME due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-204906124

Weakness: CWE-862

Which versions are affected by CVE-2022-20394?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20394?

Apply the vendor's patch.

Is CVE-2022-20394 being exploited?

There is no known exploitation of CVE-2022-20394 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-204906124, ASB-A-204906124, GHSA-hwxx-66g7-8j7g.

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