PT-2019-13554 · Nxp · Kinetis Kv1X+2

Published 2019-09-24 · Updated 2019-09-25 · CVE-2019-14239

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices (affected versions not specified)

Description The issue concerns the Flash Access Controls (FAC) method, which is a software IP protection technique for execute-only access. It can be defeated by using a load instruction within the execute-only region, allowing the exposure of protected code into a CPU register.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2019-14239

Affected Products

Kinetis K8X

Kinetis Kv1X

Kinetis Kv3X

References · 3

• 🔥 https://usenix.org/conference/woot19/presentation/schink · Exploit
• 🔥 https://usenix.org/system/files/woot19-paper_schink.pdf · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-14239 · Security Note