CVE-2020-10022

UpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size Array

Description

A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.

Category

9.0
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.70% Top 20%
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-28 third party advisory
https://github.com/zephyrproject-rtos/zephyr/pull/24154 third party advisory patch
https://github.com/zephyrproject-rtos/zephyr/pull/24065 third party advisory patch
https://github.com/zephyrproject-rtos/zephyr/pull/24066 third party advisory patch
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022

Frequently Asked Questions

What is the severity of CVE-2020-10022?
CVE-2020-10022 has been scored as a critical severity vulnerability.
How to fix CVE-2020-10022?
To fix CVE-2020-10022, 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-2020-10022 being actively exploited in the wild?
It is possible that CVE-2020-10022 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-10022?
CVE-2020-10022 affects zephyrproject-rtos zephyr.
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