CVE-2023-5632

Published Oct 18, 2023

Last updated a year ago

Overview

Description: In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack. This issue is fixed in 2.0.6
Source: emo@eclipse.org
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-834
emo@eclipse.org: CWE-834

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "A9ACA0BE-573B-4295-9390-F88687C64298",
            "versionEndExcluding": "2.0.6"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References