SARA / Free Tools / CVE / CVE-2020-10023

CVE-2020-10023 — The shell subsystem contains a buffer overflow, whereby an adversary with physic

The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos

CVSS
6.9 MEDIUM
EPSS
0.10% (top 72.50%)
CWE
CWE-120
Published
2020-05-11T22:26:13.032Z
Last modified
2024-09-16T18:03:31.215Z
CVSS vector
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

01What is this vulnerability?

The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.

02Affected products

VendorProductVersions
zephyrproject-rtoszephyr1.14.0, 2.1.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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