Heap Buffer Overflow Vulnerability in NanoMQ by EMQX
CVE-2023-34488

7.8HIGH

Key Information:

Vendor

EMQx

Status
NanoMQ
Vendor
CVE Published:
12 June 2023

What is CVE-2023-34488?

A heap buffer overflow vulnerability exists in NanoMQ version 0.17.5, specifically within the conn_handler function in mqtt_parser.c. This issue arises when the software processes malformed MQTT messages, potentially allowing an attacker to exploit this flaw for malicious purposes. Users are urged to review this vulnerability and implement necessary precautions.

References

https://github.com/emqx/nanomq/issues/1181

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.