CVE-2019-5432 Information

Description

A specifically malformed MQTT Subscribe packet crashes MQTT Brokers using the mqtt-packet module versions 3.5.1 4.0.0 - 4.1.3 5.0.0 - 5.6.1 6.0.0 - 6.1.2 for decoding.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://hackerone.com/reports/541354

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5