CVE-2021-0996 Information disclosure in Android

Medium 4.5 Published Updated

A missing bounds check in Android's NFC HCI callback allows local attackers with system privileges to read out-of-bounds memory, disclosing sensitive information.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2021-0996?

CVE-2021-0996 is a medium-severity vulnerability in Google Android, published on 15 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In nfaHciCallback of HciEventManager.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure over NFC with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-181346545

Weakness: CWE-125

Which versions are affected by CVE-2021-0996?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0996?

Apply the vendor's patch.

Is CVE-2021-0996 being exploited?

There is no known exploitation of CVE-2021-0996 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-181346545, GHSA-hw7v-8wmv-m3mp, PUB-A-181346545.

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