CVE-2021-0545 Memory corruption in Android

Medium 6.7 Published Updated

A missing bounds check in the Android NFC server allows local attackers with system privileges to escalate privileges via an out-of-bounds write.

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-2021-0545?

CVE-2021-0545 is a medium-severity memory corruption vulnerability in Google Android, published on 22 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In phNxpNciHal_print_res_status of phNxpNciHal.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege in the NFC server with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-169258884

Weakness: CWE-787

Which versions are affected by CVE-2021-0545?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0545?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-0545 being exploited?

There is no known exploitation of CVE-2021-0545 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-169258884, GHSA-x364-8p7g-xrp4, PUB-A-169258884.

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