CVE-2021-21905 Memory corruption in Garrett Metal Detectors

High 8.2 Published Updated

An authenticated attacker can trigger a stack-based buffer overflow in the CMA readfile function to execute arbitrary code on the device.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-21905?

CVE-2021-21905 is a high-severity memory corruption vulnerability in Garrett Metal Detectors, published on 22 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Stack-based buffer overflow vulnerability exists in how the CMA readfile function of Garrett Metal Detectors iC Module CMA Version 5.0 is used at various locations. The Garrett iC Module exposes an authenticated CLI over TCP port 6877. This interface is used by a secondary GUI client, called “CMA Connect”, to interact with the iC Module on behalf of the user. After a client successfully authenticates, they can send plaintext commands to manipulate the device.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2021-21905?

It affects 1 product.

Products include Garrett Ic Module Cma.

How do I fix CVE-2021-21905?

No fix has been published for CVE-2021-21905 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2021-21905 being exploited?

There is no known exploitation of CVE-2021-21905 in the wild and no public exploit code.

Sources

Also known as GHSA-h558-j9v9-7j5j.

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