Executive Summary

Summary
Title Mosquitto vulnerabilities
Informations
Name USN-4023-1 First vendor Publication 2019-06-20
Vendor Ubuntu Last vendor Modification 2019-06-20
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Mosquitto.

Software Description: - mosquitto: MQTT version 3.1/3.1.1 compatible message broker

Details:

It was discovered that Mosquitto broker incorrectly handled certain specially crafted input and network packets. A remote attacker could use this to cause a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.10:
libmosquitto1 1.4.15-2ubuntu0.18.10.3
libmosquittopp1 1.4.15-2ubuntu0.18.10.3
mosquitto 1.4.15-2ubuntu0.18.10.3
mosquitto-clients 1.4.15-2ubuntu0.18.10.3

Ubuntu 18.04 LTS:
libmosquitto1 1.4.15-2ubuntu0.18.04.3
libmosquittopp1 1.4.15-2ubuntu0.18.04.3
mosquitto 1.4.15-2ubuntu0.18.04.3
mosquitto-clients 1.4.15-2ubuntu0.18.04.3

Ubuntu 16.04 LTS:
libmosquitto1 1.4.8-1ubuntu0.16.04.7
libmosquittopp1 1.4.8-1ubuntu0.16.04.7
mosquitto 1.4.8-1ubuntu0.16.04.7
mosquitto-clients 1.4.8-1ubuntu0.16.04.7

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4023-1
CVE-2017-7653, CVE-2017-7654

Package Information:
https://launchpad.net/ubuntu/+source/mosquitto/1.4.15-2ubuntu0.18.10.3
https://launchpad.net/ubuntu/+source/mosquitto/1.4.15-2ubuntu0.18.04.3
https://launchpad.net/ubuntu/+source/mosquitto/1.4.8-1ubuntu0.16.04.7

Original Source

Url : http://www.ubuntu.com/usn/USN-4023-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-772 Missing Release of Resource after Effective Lifetime
50 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 2

Nessus® Vulnerability Scanner

Date Description
2018-10-26 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4325.nasl - Type : ACT_GATHER_INFO
2018-10-01 Name : The remote Debian host is missing a security update.
File : debian_DLA-1525.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2019-06-20 21:18:58
  • First insertion