CVE-2023-33657 — HIGH (7.5)

Vulnerability Description

A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.

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

Affected Products

Vendor	Product	Versions
Emqx	Nanomq	0.17.2

Related Weaknesses (CWE)

CWE-416

References

https://github.com/emqx/nanomqProduct
https://github.com/emqx/nanomq/issues/1165#issue-1668648319ExploitIssue Tracking
https://github.com/emqx/nanomq/pull/1187Patch
https://github.com/emqx/nanomqProduct
https://github.com/emqx/nanomq/issues/1165#issue-1668648319ExploitIssue Tracking
https://github.com/emqx/nanomq/pull/1187Patch

FAQ

What is CVE-2023-33657?

CVE-2023-33657 is a vulnerability with a CVSS score of 7.5 (HIGH). A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is cau...

How severe is CVE-2023-33657?

CVE-2023-33657 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-2023-33657?

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