Heap Buffer Overflow Vulnerability in NanoMQ by EMQX
CVE-2023-33659

7.5HIGH

Key Information:

Vendor

EMQx

Status
NanoMQ
Vendor
CVE Published:
6 June 2023

What is CVE-2023-33659?

A heap buffer overflow vulnerability is present in NanoMQ version 0.17.2, specifically within the nmq_subinfo_decode() function found in mqtt_parser.c. This vulnerability can be exploited by attackers, potentially leading to a denial of service. Addressing this flaw is essential to maintain the integrity and stability of applications utilizing NanoMQ.

References

https://github.com/emqx/nanomq
https://github.com/emqx/nanomq/issues/1154
https://github.com/nanomq/NanoNNG/pull/509/commits/6815c4...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.