github - ghsa-4jhw-x435-x5f7

ghsa-4jhw-x435-x5f7

Vulnerability from github

Published

2023-10-18 09:30

Modified

2024-04-04 08:45

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

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

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{
  "affected": [],
  "aliases": [
    "CVE-2023-5632"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-834"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-10-18T09:15:10Z",
    "severity": "HIGH"
  },
  "details": "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\n\n\n",
  "id": "GHSA-4jhw-x435-x5f7",
  "modified": "2024-04-04T08:45:56Z",
  "published": "2023-10-18T09:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-5632"
    },
    {
      "type": "WEB",
      "url": "https://github.com/eclipse/mosquitto/pull/2053"
    },
    {
      "type": "WEB",
      "url": "https://github.com/eclipse/mosquitto/commit/18bad1ff32435e523d7507e9b2ce0010124a8f2d"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2023-5632

Vulnerability from cvelistv5

Published

2023-10-18 08:34

Modified

2024-09-13 14:50

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

Unconditionally adding an event to the epoll causes excessive CPU consumption

References

▼	URL	Tags
	https://github.com/eclipse/mosquitto/pull/2053	patch, issue-tracking
	https://github.com/eclipse/mosquitto/commit/18bad1ff32435e523d7507e9b2ce0010124a8f2d	patch

Impacted products

▼	Vendor	Product
	Eclipse	Mosquitto

Show details on NVD website

JSON

To clipboard

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                "timestamp": "2024-09-13T14:50:16.055664Z",
                "version": "2.0.3"
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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