Debian DSA-4570-1 : mosquitto - security update

medium Nessus Plugin ID 131087

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Synopsis

The remote Debian host is missing a security-related update.

Description

A vulnerability was discovered in mosquitto, a MQTT version 3.1/3.1.1 compatible message broker, allowing a malicious MQTT client to cause a denial of service (stack overflow and daemon crash), by sending a specially crafted SUBSCRIBE packet containing a topic with a extremely deep hierarchy.

Solution

Upgrade the mosquitto packages.

For the stable distribution (buster), this problem has been fixed in version 1.5.7-1+deb10u1.

Plugin Details

Severity: Medium

ID: 131087

File Name: debian_DSA-4570.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 11/18/2019

Updated: 4/11/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2019-11779

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:mosquitto, cpe:/o:debian:debian_linux:10.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/17/2019

Vulnerability Publication Date: 9/19/2019

Reference Information

CVE: CVE-2019-11779

DSA: 4570

Detections

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