CVE-2023-21238 Information disclosure in Android

Medium 5.5 Published Updated

A confused deputy vulnerability in Android's RemoteViews allows local attackers to leak images between users without user interaction or additional privileges.

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-2023-21238?

CVE-2023-21238 is a medium-severity vulnerability in Google Android, published on 12 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In visitUris of RemoteViews.java, there is a possible leak of images between users due to a confused deputy. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-384

Which versions are affected by CVE-2023-21238?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-21238?

Apply the vendor's patch.

Is CVE-2023-21238 being exploited?

There is no known exploitation of CVE-2023-21238 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-277740848, ASB-A-277740848, GHSA-c2x5-jhjr-43mp.

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