UpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size Array
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9epss 2.3%
exploitation probability
2.3%top 18% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products
zephyrproject-rtos · zephyrReferences
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022https://github.com/zephyrproject-rtos/zephyr/pull/24065https://github.com/zephyrproject-rtos/zephyr/pull/24066https://github.com/zephyrproject-rtos/zephyr/pull/24154https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28