CVE-2019-14239

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 v3.0 6.6 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.6^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.7 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:nxp:kinetis_kv1x_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:nxp:kinetis_kv1x:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:nxp:kinetis_kv3x_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:nxp:kinetis_kv3x:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:nxp:kinetis_k8x_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:nxp:kinetis_k8x:-:*:*:*:*:*:*:*

Information

Published : 2019-09-24 12:15

Updated : 2019-09-25 06:45

NVD link : CVE-2019-14239

Mitre link : CVE-2019-14239

JSON object : View

CWE

CWE-287

Improper Authentication

Products Affected

nxp

kinetis_kv3x_firmware
kinetis_kv3x
kinetis_kv1x
kinetis_k8x_firmware
kinetis_k8x
kinetis_kv1x_firmware

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6.6 /10