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.
References (2)
Core 2
Core References
Exploit, Mitigation, Third Party Advisory x_refsource_misc
https://www.usenix.org/system/files/woot19-paper_schink.pdf
Exploit, Third Party Advisory x_refsource_misc
https://www.usenix.org/conference/woot19/presentation/schink
Scores
CVSS v3
6.6
EPSS
0.0040
EPSS Percentile
31.9%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-287
Status
published
Products (3)
nxp/kinetis_k8x_firmware
nxp/kinetis_kv1x_firmware
nxp/kinetis_kv3x_firmware
Published
Sep 24, 2019
Tracked Since
Feb 18, 2026