CVE-2020-10023 Information

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.

CVSS Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://docs.zephyrproject.org/latest/security/vulnerabilities.htmlcve-2020-10023 https://github.com/zephyrproject-rtos/zephyr/pull/23304 https://github.com/zephyrproject-rtos/zephyr/pull/23646 https://github.com/zephyrproject-rtos/zephyr/pull/23649 https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.8