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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected products
- zephyrproject-rtos / Zephyr2.1.0 – unspecified
- zephyrproject-rtos / Zephyr2.2.0 – unspecified
References
- MISChttps://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28
- PATCHhttps://github.com/zephyrproject-rtos/zephyr/pull/24154
- PATCHhttps://github.com/zephyrproject-rtos/zephyr/pull/24065
- PATCHhttps://github.com/zephyrproject-rtos/zephyr/pull/24066
- MISChttps://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022