Defeating Flash Access Controls (FAC) on NXP Kinetis KV1x, KV3x, and K8x Devices through CPU Register Observation and Code Execution Analysis

CVE-2019-14237 · CRITICAL Severity

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

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 observing CPU registers and the effect of code/instruction execution.

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