6.6
MEDIUM
CVE-2019-14239
NXP Kinetis KVx CPU Execute-Only Protection Bypass with Load Instruction
Description

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.

INFO

Published Date :

Sept. 24, 2019, 7:15 p.m.

Last Modified :

Sept. 25, 2019, 1:45 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.7
Affected Products

The following products are affected by CVE-2019-14239 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nxp kinetis_kv1x_firmware
2 Nxp kinetis_kv3x_firmware
3 Nxp kinetis_k8x_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-14239.

URL Resource
https://www.usenix.org/conference/woot19/presentation/schink Exploit Third Party Advisory
https://www.usenix.org/system/files/woot19-paper_schink.pdf Exploit Mitigation Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-14239 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-14239 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Sep. 25, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.usenix.org/conference/woot19/presentation/schink No Types Assigned https://www.usenix.org/conference/woot19/presentation/schink Exploit, Third Party Advisory
    Changed Reference Type https://www.usenix.org/system/files/woot19-paper_schink.pdf No Types Assigned https://www.usenix.org/system/files/woot19-paper_schink.pdf Exploit, Mitigation, Third Party Advisory
    Added CWE CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:nxp:kinetis_kv1x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:nxp:kinetis_kv1x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:nxp:kinetis_kv3x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:nxp:kinetis_kv3x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:nxp:kinetis_k8x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:nxp:kinetis_k8x:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-14239 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.23337

percentile

CVSS31 - Vulnerability Scoring System
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