CVE-2021-3434 MEDIUM

CVE-2021-3434: L2CAP: Stack based buffer overflow in le_ecred_conn_req()

Vendor Zephyrproject-Rtos
Product zephyr
Weakness CWE-121
Published June 28, 2022
Last update September 17, 2024

CVSS base score

4.9/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Stack based buffer overflow in le_ecred_conn_req(). Zephyr versions >= v2.5.0 Stack-based Buffer Overflow (CWE-121). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm

Key dates

02Disclosure timeline

June 28, 2022 CVE published
September 17, 2024 Record updated