CVE-2021-3322

Unexpected Pointer Aliasing in IEEE 802154 Fragment Reassembly in Zephyr. Zephyr versions >= >=2.4.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-p86r-gc4r-4mq3

CVSS v3 6.5 MEDIUM
CVSS v2.0 3.3 LOW

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

3.3^/10

CVSS v2.0 : LOW

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

Exploitability : 6.5 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-p86r-gc4r-4mq3	Exploit Patch Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

18 Oct 2021, 18:05

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 3.3 v3 : 6.5
CPE		cpe:2.3:o:zephyrproject:zephyr::::::::
CWE		CWE-476
References	~~(MISC) http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-p86r-gc4r-4mq3 -~~	(MISC) http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-p86r-gc4r-4mq3 - 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-2021-3322

Mitre link : CVE-2021-3322

CVE.ORG link : CVE-2021-3322

JSON object : View

Products Affected

zephyrproject

zephyr

CWE

CWE-476

NULL Pointer Dereference

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