CVE-2021-3434 — Stack-based Buffer Overflow in Zephyr

CWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds Write2 documents2 sources
Severity
7.8HIGHNVD
CNA4.9
EPSS
0.1%
top 68.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Zephyrproject-rtos ZephyrZephyrproject Zephyr
Timeline
PublishedJun 28

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5zephyrproject-rtos/zephyrv2.5.0 — unspecified+2
▶NVDzephyrproject/zephyr2.5.0 — 2.6.0

🔴Vulnerability Details

1
CVEList
L2CAP: Stack based buffer overflow in le_ecred_conn_req()↗2022-06-28
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CVE-2021-3434 — Stack-based Buffer Overflow in Zephyr | cvebase