CVE-2021-3321

Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal. Zephyr versions >= >=2.4.0 contain Integer Overflow to Buffer Overflow (CWE-680). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99

CVSS v3 8.8 HIGH
CVSS v2.0 5.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 6.5 / Impact : 6.4

Access Vector ADJACENT_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-w44j-66g7-xw99	Exploit Patch Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

18 Oct 2021, 17:52

Type	Values Removed	Values Added
CWE		CWE-191
CPE		cpe:2.3:o:zephyrproject:zephyr::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 5.8 v3 : 8.8
References	~~(MISC) http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99 -~~	(MISC) http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99 - Exploit, Patch, Third Party Advisory

12 Oct 2021, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-12 22:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-3321

Mitre link : CVE-2021-3321

CVE.ORG link : CVE-2021-3321

JSON object : View

Products Affected

zephyrproject

zephyr

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

CWE-680

Integer Overflow to Buffer Overflow

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