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 8.2 HIGH
CVSS v2.0 7.2 HIGH

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 6.0

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

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
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

21 Nov 2024, 06:22

Type	Values Removed	Values Added
References	~~() http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj - Exploit, Third Party Advisory~~	() http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj - Exploit, Third Party Advisory
CVSS	v2 : ~~7.2~~ v3 : ~~6.8~~	v2 : 7.2 v3 : 8.2

Information

Published : 2022-02-07 22:15

Updated : 2024-11-21 06:22

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-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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