CVE-2023-35671 Information disclosure in Android

Medium 5.5 Published Updated

A logic error in Android's NFC manager allows local attackers to read sensitive card data from locked devices without user interaction.

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-2023-35671?

CVE-2023-35671 is a medium-severity vulnerability in Google Android, published on 11 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In onHostEmulationData of HostEmulationManager.java, there is a possible way for a general purpose NFC reader to read the full card number and expiry details when the device is in locked screen mode due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-269

Which versions are affected by CVE-2023-35671?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-35671?

Apply the vendor's patch.

Is CVE-2023-35671 being exploited?

There is no known exploitation of CVE-2023-35671 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-268038643, ASB-A-268038643, GHSA-r97g-mv85-crqf.

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