CVE-2023-20929 Information disclosure in Android

Medium 5.5 Published Updated

A local attacker can learn nearby Bluetooth MAC addresses via an unrestricted broadcast intent in Android, requiring no user interaction or 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-2023-20929?

CVE-2023-20929 is a medium-severity vulnerability in Google Android, published on 24 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In sendHalfSheetCancelBroadcast of HalfSheetActivity.java, there is a possible way to learn nearby BT MAC addresses due to an unrestricted broadcast intent. 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-234442700

Which versions are affected by CVE-2023-20929?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-20929?

Apply the vendor's patch.

Is CVE-2023-20929 being exploited?

There is no known exploitation of CVE-2023-20929 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-234442700, ASB-A-234442700, GHSA-848g-h6v9-26j6.

Is CVE-2023-20929 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free