PT-2019-17664 · Mqtt Packet · Mqtt-Packet

Lxndr · Published 2019-05-06 · Updated 2021-11-03 · CVE-2019-5432

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions mqtt-packet module versions 3.5.0 and earlier mqtt-packet module versions 4.0.0 through 4.1.3 mqtt-packet module versions 5.0.0 through 5.6.1 mqtt-packet module versions 6.0.0 through 6.1.2

Description A specifically malformed MQTT Subscribe packet can cause MQTT Brokers using the mqtt-packet module to crash due to an issue with decoding.

Recommendations For versions 3.5.0 and earlier, update to version 3.5.1 or later. For versions 4.0.0 through 4.1.3, update to version 4.1.4 or later. For versions 5.0.0 through 5.6.1, update to version 5.6.2 or later. For versions 6.0.0 through 6.1.2, update to version 6.1.3 or later.

Exploit

Fix

Buffer Over-read

Out of bounds Read

Weakness Enumeration

CWE-126

CWE-125

Related Identifiers

CVE-2019-5432

GHSA-WV67-9JQ7-8R69

Affected Products

Mqtt-Packet

References · 9

• 🔥 https://hackerone.com/reports/541354 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-5432 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-5432 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-5432 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-5432 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-5432 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-wv67-9jq7-8r69 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-5432 · Security Note
• https://osv.dev/vulnerability/CVE-2019-5432 · Vendor Advisory