PT-2020-11866 · Zephyr · Zephyr

Ceolin + 1 · Published 2020-05-11 · Updated 2020-06-05 · CVE-2020-10023

Positive Technologies (AI Summary)

CVSS v3.1

6.9

Medium

Base vector

AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions zephyr versions 1.14.0 through 2.1.0 and later versions, but for clarity, this can be simplified to: zephyr versions 1.14.0 and later versions

Description The issue is related to a buffer overflow in the shell subsystem. This can lead to memory corruption, resulting in denial of service or possibly code execution within the kernel. An adversary would need physical access to the device to exploit this issue.

Recommendations For zephyr versions 1.14.0 and later versions, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-10023

Affected Products

Zephyr

References · 7

• https://github.com/zephyrproject-rtos/zephyr/pull/23304 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23646 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23649 · Patch
• https://osv.dev/vulnerability/CVE-2020-10023 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-10023 · Security Note
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29 · Note
• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023 · Note