Executive Summary

Summary
Title mosquitto security update
Informations
Name DSA-4570 First vendor Publication 2019-11-17
Vendor Debian Last vendor Modification 2019-11-17
Severity (Vendor) N/A Revision 1

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:S/C:N/I:N/A:P)
Cvss Base Score 4 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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.

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

We recommend that you upgrade your mosquitto packages.

For the detailed security status of mosquitto please refer to its security tracker page at: https://security-tracker.debian.org/tracker/mosquitto

Original Source

Url : http://www.debian.org/security/2019/dsa-4570

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-754 Improper Check for Unusual or Exceptional Conditions

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 90

Snort® IPS/IDS

Date Description
2019-11-26 Eclipse Mosquitto MQTT SUBSCRIBE request topic parsing buffer overflow attempt
RuleID : 52006 - Revision : 1 - Type : SERVER-OTHER

Alert History

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0
Date Informations
2019-11-17 17:18:44
  • First insertion