CVE-2021-3861

The RNDIS USB device class includes a buffer overflow vulnerability. Zephyr versions >= v2.6.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj

CVSS v3 6.8 MEDIUM
CVSS v2.0 7.2 HIGH

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

11 Feb 2022, 14:40

Type	Values Removed	Values Added
CWE		CWE-787
CPE		cpe:2.3:o:zephyrproject:zephyr::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 6.8
First Time		Zephyrproject zephyr Zephyrproject
References	~~(N/A) http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj -~~	(N/A) http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj - Exploit, Third Party Advisory

07 Feb 2022, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-02-07 22:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-3861

Mitre link : CVE-2021-3861

CVE.ORG link : CVE-2021-3861

JSON object : View

Products Affected

zephyrproject

zephyr

CWE

CWE-787

Out-of-bounds Write

CWE-122

Heap-based Buffer Overflow

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