Heap-based Buffer Overflow Affecting mosquitto package, versions [,2.0.19)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-UNMANAGED-MOSQUITTO-8310370
  • published 30 Oct 2024
  • disclosed 30 Oct 2024
  • credit Unknown

How to fix?

Upgrade mosquitto to version 2.0.19 or higher.

Overview

Affected versions of this package are vulnerable to Heap-based Buffer Overflow when the broker processes a specially crafted packet. This is due to a boundary error in the my_subscribe_callback function.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
7.1 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    None
  • Integrity (VI)
    None
  • Availability (VA)
    High
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None