PT-2021-9662 · Zephyr · Zephyr

3Zd3Z · Published 2021-05-24 · Updated 2021-05-27 · CVE-2020-13602

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Zephyr versions 1.14.2 and later Zephyr versions 2.2.0 and later

Description The issue is related to a Remote Denial of Service in LwM2M do write op tlv, caused by Improper Input Validation and an Infinite Loop.

Recommendations For Zephyr versions 1.14.2 and later, update to a version that includes the fix for the Improper Input Validation and Infinite Loop issues. For Zephyr versions 2.2.0 and later, update to a version that includes the fix for the Improper Input Validation and Infinite Loop issues. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Infinite Loop

RCE

Weakness Enumeration

CWE-835

CWE-20

Related Identifiers

CVE-2020-13602

GHSA-G9MG-FJ58-6FQH

Affected Products

Zephyr

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2020-13602 · Security Note
• https://osv.dev/vulnerability/CVE-2020-13602 · Vendor Advisory
• http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh · Note