CVE-2021-3434

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 v3 4.9 MEDIUM
CVSS v2.0 4.6 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.4 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm	Vendor Advisory
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:21

Type	Values Removed	Values Added
References	~~() http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm - Vendor Advisory~~	() http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm - Vendor Advisory
CVSS	v2 : ~~4.6~~ v3 : ~~7.8~~	v2 : 4.6 v3 : 4.9

08 Jul 2022, 15:21

Type	Values Removed	Values Added
CWE		CWE-787
CPE		cpe:2.3:o:zephyrproject:zephyr::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.6 v3 : 7.8
References	~~(MISC) http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm -~~	(MISC) http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm - Vendor Advisory

28 Jun 2022, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-06-28 20:15

Updated : 2024-11-21 06:21

NVD link : CVE-2021-3434

Mitre link : CVE-2021-3434

CVE.ORG link : CVE-2021-3434

JSON object : View

Products Affected

zephyrproject

zephyr

CWE

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

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