CVE-2021-3323

Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr. Zephyr versions >= >=2.4.0 contain Integer Underflow (Wrap or Wraparound) (CWE-191). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc

CVSS v3 8.3 HIGH
CVSS v2.0 7.5 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

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-89j6-qpxf-pfpc	Exploit Patch Third Party Advisory
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc	Exploit Patch Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 06:21

Type	Values Removed	Values Added
CVSS	v2 : ~~7.5~~ v3 : ~~9.8~~	v2 : 7.5 v3 : 8.3
References	~~() http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc - Exploit, Patch, Third Party Advisory~~	() http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc - Exploit, Patch, Third Party Advisory

Information

Published : 2021-10-12 22:15

Updated : 2024-11-21 06:21

NVD link : CVE-2021-3323

Mitre link : CVE-2021-3323

CVE.ORG link : CVE-2021-3323

JSON object : View

Products Affected

zephyrproject

zephyr

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

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