Description
An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected products
- zephyrproject-rtos / Zephyr1.14.0 – unspecified
- zephyrproject-rtos / Zephyr2.1.0 – unspecified
References
- MISChttps://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35
- PATCHhttps://github.com/zephyrproject-rtos/zephyr/pull/23328
- PATCHhttps://github.com/zephyrproject-rtos/zephyr/pull/23500
- PATCHhttps://github.com/zephyrproject-rtos/zephyr/pull/23499
- MISChttps://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10027