CVE-2019-14239 Information

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.

CVSS Vector

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.usenix.org/conference/woot19/presentation/schink https://www.usenix.org/system/files/woot19-paper_schink.pdf

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.6