CVE-2019-14239: Medium severity nxp kinetis kv1x firmware vulnerability

Published Sep 24, 2019
·
Updated

On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC) (a software IP protection method for execute-only access) can be defeated by leveraging a load instruction inside the execute-only region to expose the protected code into a CPU register.

Affected Software

6 affected components
NXP Kinetis Kv1x Firmware
NXP Kinetis KV1x
NXP Kinetis Kv3x Firmware
NXP Kinetis KV3x
NXP Kinetis K8x Firmware
NXP Kinetis K8x

Event History

Sep 24, 2019
CVE Published
via MITRE·06:14 PM
Data Sourced
via MITRE·06:14 PM
Description
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Frequently Asked Questions

1

What is CVE-2019-14239?

CVE-2019-14239 is a vulnerability on NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices that allows for the defeat of Flash Access Controls (FAC) by exposing protected code into a CPU register.

2

What is Flash Access Controls (FAC)?

Flash Access Controls (FAC) is a software IP protection method for execute-only access on NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices.

3

How can CVE-2019-14239 be exploited?

CVE-2019-14239 can be exploited by leveraging a load instruction inside the execute-only region to expose the protected code into a CPU register.

4

What is the severity of CVE-2019-14239?

CVE-2019-14239 has a severity rating of 6.6 (medium).

5

Are there any references for more information on CVE-2019-14239?

Yes, you can find more information on CVE-2019-14239 at the following references: [link1], [link2].

Contact

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