CVE-2020-10023

Shell Subsystem Contains a Buffer Overflow Vulnerability In shell_spaces_trim

Description

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.

Category

6.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.10%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory atlassian.net
Affected: zephyrproject-rtos zephyr
Published at:
Updated at:

References

Link Tags
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29 third party advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23304 third party advisory patch
https://github.com/zephyrproject-rtos/zephyr/pull/23646 third party advisory patch
https://github.com/zephyrproject-rtos/zephyr/pull/23649 third party advisory patch
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023

Frequently Asked Questions

What is the severity of CVE-2020-10023?
CVE-2020-10023 has been scored as a medium severity vulnerability.
How to fix CVE-2020-10023?
To fix CVE-2020-10023, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-10023 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-10023 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-10023?
CVE-2020-10023 affects zephyrproject-rtos zephyr.
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