CVE-2021-3319 — MEDIUM (6.5)

Vulnerability Description

DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions >= > v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zephyrproject	Zephyr	>= 2.4.0, < 2.5.0

Related Weaknesses (CWE)

CWE-588 CWE-476

References

http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5ExploitPatchThird Party Advisory
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5ExploitPatchThird Party Advisory

FAQ

What is CVE-2021-3319?

CVE-2021-3319 is a vulnerability with a CVSS score of 6.5 (MEDIUM). DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions >= > v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (...

How severe is CVE-2021-3319?

CVE-2021-3319 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3319?

Check the references section above for vendor advisories and patch information. Affected products include: Zephyrproject Zephyr.