PT-2022-10337 · Zephyr · Zephyr

Bronallo-Bd + 1 · Published 2022-06-28 · Updated 2023-12-01 · CVE-2021-3434

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Zephyr versions >= v2.5.0

Description A stack-based buffer overflow issue exists in the le ecred conn req() function. This issue is related to a stack-based buffer overflow, which can be exploited.

Recommendations For Zephyr versions >= v2.5.0, consider disabling the le ecred conn req() function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

CVE-2021-3434

GHSA-8W87-6RFP-CFRM

Affected Products

Zephyr

References · 6

• http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3434 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3434 · Security Note
• https://t.me/cvenotify/61882 · Telegram Post
• https://t.me/cvenotify/32320 · Telegram Post
• https://t.me/cibsecurity/45338 · Telegram Post