SB2019032712 - Multiple vulnerabilities in Eclipse Mosquitto

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Main Vulnerability Database SB2019032712

SB2019032712 - Multiple vulnerabilities in Eclipse Mosquitto

Published: March 27, 2019 Updated: October 6, 2023

Security Bulletin ID SB2019032712
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2017-7655)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in lib/messages_mosq.c. A remote attacker can perform a denial of service (DoS) attack against the application, using the vulnerable library.


2) Memory leak (CVE-ID: CVE-2017-7654)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak. A remote attacker can send specially crafted CONNECT packets to force the application to leak memory and perform denial of service attack.


3) Input validation error (CVE-ID: CVE-2017-7653)

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of not valid UTF-8 string. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References