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Debian DLA-1525-1 : mosquitto security update
high Nessus Plugin ID 117835
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Synopsis
The remote Debian host is missing a security update.Description
CVE-2017-7653As invalid UTF-8 strings are not correctly checked, an attacker could cause a denial of service to other clients by disconnecting them from the broker with special crafted topics.
CVE-2017-7654
Due to a memory leak unauthenticated clients can send special crafted CONNECT packets which could cause a denial of service in the broker.
CVE-2017-9868
Due to wrong file permissions local users could obtain topic information from the mosquitto database.
For Debian 8 'Jessie', these problems have been fixed in version 1.3.4-2+deb8u3.
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/2018/09/msg00036.html
Plugin Details
Severity: High
ID: 117835
File Name: debian_DLA-1525.nasl
Version: 1.3
Type: local
Agent: unix
Family: Debian Local Security Checks
Published: 10/1/2018
Updated: 1/11/2021
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: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS v3
Risk Factor: High
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Information
CPE: p-cpe:/a:debian:debian_linux:libmosquitto-dev, p-cpe:/a:debian:debian_linux:libmosquitto1, p-cpe:/a:debian:debian_linux:libmosquittopp1, p-cpe:/a:debian:debian_linux:mosquitto-dbg, p-cpe:/a:debian:debian_linux:libmosquittopp-dev, p-cpe:/a:debian:debian_linux:mosquitto, p-cpe:/a:debian:debian_linux:python-mosquitto, p-cpe:/a:debian:debian_linux:python3-mosquitto, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:mosquitto-clients
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Patch Publication Date: 9/28/2018