CVE-2021-3625

Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363

CVSS v3 9.6 CRITICAL
CVSS v2.0 7.5 HIGH

9.6^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

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-c3gr-hgvr-f363	Exploit Third Party Advisory
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363	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
CVSS	v2 : ~~7.5~~ v3 : ~~9.8~~	v2 : 7.5 v3 : 9.6
References	~~() http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363 - Exploit, Third Party Advisory~~	() http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363 - Exploit, Third Party Advisory

Information

Published : 2021-10-05 21:15

Updated : 2024-11-21 06:22

NVD link : CVE-2021-3625

Mitre link : CVE-2021-3625

CVE.ORG link : CVE-2021-3625

JSON object : View

Products Affected

zephyrproject

zephyr

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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