{
  "id": "CVE-2022-48256",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-01-13T01:15:10.143",
  "lastModified": "2023-01-23T18:04:32.710",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME loop causes an answer to contain hundreds of records."
    },
    {
      "lang": "es",
      "value": "Technitium DNS Server anterior a 10.0 permite un ataque de denegaci\u00f3n de servicio CNAME propio en el que un bucle CNAME provoca que una respuesta contenga cientos de registros."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:technitium:dns_server:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "10.0",
              "matchCriteriaId": "82696A51-5A54-4E04-BD3D-8B4F1267E8DD"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-100",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ]
    }
  ]
}