CVE-2023-21177 Information disclosure in Android

Medium 5.5 Published Updated

A missing permission check in Android's WindowManagerService allows local attackers to infer which app a user is interacting with, 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
Not needed
Fix
Available

What is CVE-2023-21177?

CVE-2023-21177 is a medium-severity vulnerability in Google Android, published on 28 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In requestAppKeyboardShortcuts of WindowManagerService.java, there is a possible way to infer the app a user is interacting with due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-273906410

Weakness: CWE-862

Which versions are affected by CVE-2023-21177?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-21177?

Apply the vendor's patch.

Is CVE-2023-21177 being exploited?

There is no known exploitation of CVE-2023-21177 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-273906410, GHSA-v2v7-46gc-c2gh, PUB-A-273906410.

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