CVE-2024-56317 — HIGH (7.5)

Vulnerability Description

In Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0, the WriteAcl function deletes all existing ACL entries first, and then attempts to recreate them based on user input. If input validation fails during decoding, the process stops, and no entries are restored by access-control-server.cpp, i.e., a denial of service.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-281

References

https://github.com/project-chip/connectedhomeip/issues/36535

FAQ

What is CVE-2024-56317?

CVE-2024-56317 is a vulnerability with a CVSS score of 7.5 (HIGH). In Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0, the WriteAcl function deletes all existing ACL entries first, and then attempts to recreate them based on user input. If input validati...

How severe is CVE-2024-56317?

CVE-2024-56317 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-56317?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.