GHSA-2XH4-PF7V-VH6H

Vulnerability from github – Published: 2024-06-06 18:30 – Updated: 2025-11-05 00:31
VLAI
Details

The DNS protocol in RFC 1035 and updates allows remote attackers to cause a denial of service (resource consumption) by arranging for DNS queries to be accumulated for seconds, such that responses are later sent in a pulsing burst (which can be considered traffic amplification in some cases), aka the "DNSBomb" issue.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2024-33655"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-06T17:15:51Z",
    "severity": "HIGH"
  },
  "details": "The DNS protocol in RFC 1035 and updates allows remote attackers to cause a denial of service (resource consumption) by arranging for DNS queries to be accumulated for seconds, such that responses are later sent in a pulsing burst (which can be considered traffic amplification in some cases), aka the \"DNSBomb\" issue.",
  "id": "GHSA-2xh4-pf7v-vh6h",
  "modified": "2025-11-05T00:31:18Z",
  "published": "2024-06-06T18:30:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-33655"
    },
    {
      "type": "WEB",
      "url": "https://github.com/NLnetLabs/unbound/commit/c3206f4568f60c486be6d165b1f2b5b254fea3de"
    },
    {
      "type": "WEB",
      "url": "https://alas.aws.amazon.com/ALAS-2024-1934.html"
    },
    {
      "type": "WEB",
      "url": "https://datatracker.ietf.org/doc/html/rfc1035"
    },
    {
      "type": "WEB",
      "url": "https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-120"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.isc.org/isc-projects/bind9/-/issues/4398"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00019.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3TBXPRJ2Q235YUZKYDRWOSYNDFBJQWJ3"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QITY2QBX2OCBTZIXD2A5ES62STFIA4AL"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3TBXPRJ2Q235YUZKYDRWOSYNDFBJQWJ3"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QITY2QBX2OCBTZIXD2A5ES62STFIA4AL"
    },
    {
      "type": "WEB",
      "url": "https://meterpreter.org/researchers-uncover-dnsbomb-a-new-pdos-attack-exploiting-legitimate-dns-features"
    },
    {
      "type": "WEB",
      "url": "https://nlnetlabs.nl/downloads/unbound/CVE-2024-33655.txt"
    },
    {
      "type": "WEB",
      "url": "https://nlnetlabs.nl/projects/unbound/security-advisories"
    },
    {
      "type": "WEB",
      "url": "https://sp2024.ieee-security.org/accepted-papers.html"
    },
    {
      "type": "WEB",
      "url": "https://www.isc.org/blogs/2024-dnsbomb"
    }
  ],
  "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"
    }
  ]
}



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