Heap-based buffer overflow in NanoMQ - CVE-2024-31040

 

Heap-based buffer overflow in NanoMQ - CVE-2024-31040

Published: April 24, 2024


Vulnerability identifier: #VU88958
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-31040
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: NanoMQ
Affected software:
NanoMQ

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the "get_var_integer" function in mqtt_parser.c. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.


How to mitigate CVE-2024-31040

Install updates from vendor's website.

Sources