PT-2022-10333 · Zephyr · Zephyr

Published 2022-06-28 · Updated 2022-07-08 · CVE-2021-3432

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Zephyr versions >= v1.14.0

Description The issue arises from an invalid interval in CONNECT IND, leading to a Division by Zero error. This is classified as a Divide By Zero error (CWE-369).

Recommendations For Zephyr versions >= v1.14.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

CVE-2021-3432

GHSA-7364-P4WC-8MJ4

Affected Products

Zephyr

References · 5

• https://osv.dev/vulnerability/CVE-2021-3432 · Vendor Advisory
• http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7364-p4wc-8mj4 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3432 · Security Note
• https://t.me/cvenotify/32324 · Telegram Post
• https://t.me/cibsecurity/45333 · Telegram Post