CVE-2019-14239
Last modified
CVE-2019-14239 is a medium-severity vulnerability rated 6.6/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nxp | Kinetis Kv1x Firmware | All versions |
| Nxp | Kinetis Kv3x Firmware | All versions |
| Nxp | Kinetis K8x Firmware | All versions |
References
- https://www.usenix.org/conference/woot19/presentation/schinkExploit, Third Party Advisory
- https://www.usenix.org/system/files/woot19-paper_schink.pdfExploit, Mitigation, Third Party Advisory
- https://www.usenix.org/conference/woot19/presentation/schinkExploit, Third Party Advisory
- https://www.usenix.org/system/files/woot19-paper_schink.pdfExploit, Mitigation, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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