SB20241031109 - Multiple vulnerabilities in Eclipse Mosquitto

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Main Vulnerability Database SB20241031109

SB20241031109 - Multiple vulnerabilities in Eclipse Mosquitto

Published: October 31, 2024 Updated: November 11, 2024

Security Bulletin ID SB20241031109
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) Out-of-bounds read (CVE-ID: CVE-2024-10525)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when handling SUBACK packets with no reason codes. A remote attacker can send specially crafted SUBACK packets to the application, trigger an out-of-bounds read error and read contents of memory on the system.


2) Memory leak (CVE-ID: CVE-2024-8376)

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 a specific sequences of "CONNECT", "DISCONNECT", "SUBSCRIBE", "UNSUBSCRIBE" and "PUBLISH" packets to force the application to leak memory and perform denial of service attack.


3) Double free (CVE-ID: CVE-2024-3935)

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

The vulnerability exists due to a double free error when a Mosquitto broker is configured to create an outgoing bridge connection, and that bridge connection has an incoming topic configured that makes use of topic remapping. A remote attacker can send specially crafted PUBLISH packet to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References