Double Free Affecting mosquitto package, versions [,2.0.19)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-UNMANAGED-MOSQUITTO-8310372
  • 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 Double Free by bypassing the validation of the bridge Broker when sending a message.

Note: This is exploitable only when Mosquitto is running under bridge mode.

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