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Debian DLA-1409-1 : mosquitto security update

high Nessus Plugin ID 110818

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Synopsis

The remote Debian host is missing a security update.

Description

CVE-2017-7651 fix to avoid extraordinary memory consumption by crafted CONNECT packet from unauthenticated client

CVE-2017-7652 in case all sockets/file descriptors are exhausted, this is a fix to avoid default config values after reloading configuration by SIGHUP signal

For Debian 8 'Jessie', these problems have been fixed in version 1.3.4-2+deb8u2.

We recommend that you upgrade your mosquitto packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2018/06/msg00016.html

https://packages.debian.org/source/jessie/mosquitto

Plugin Details

Severity: High

ID: 110818

File Name: debian_DLA-1409.nasl

Version: 1.5

Type: local

Agent: unix

Published: 7/2/2018

Updated: 9/10/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.7

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

CVSS Score Source: CVE-2017-7652

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:python-mosquitto, p-cpe:/a:debian:debian_linux:libmosquittopp1, p-cpe:/a:debian:debian_linux:mosquitto-clients, p-cpe:/a:debian:debian_linux:mosquitto-dbg, p-cpe:/a:debian:debian_linux:python3-mosquitto, p-cpe:/a:debian:debian_linux:libmosquittopp-dev, p-cpe:/a:debian:debian_linux:libmosquitto1, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:mosquitto, p-cpe:/a:debian:debian_linux:libmosquitto-dev

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/29/2018

Reference Information

CVE: CVE-2017-7651, CVE-2017-7652