{
  "id": "CVE-2022-33988",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-08-15T13:15:17.807",
  "lastModified": "2022-08-17T21:05:17.970",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries, which allows attackers (able to send queries to the resolver) to conduct DNS cache-poisoning attacks because the TXID value is known to the attacker."
    },
    {
      "lang": "es",
      "value": "dproxy-nexgen (tambi\u00e9n se conoce como dproxy nexgen) re\u00fasa el valor del identificador de transacciones DNS (TXID) de las consultas de los clientes, lo que permite a atacantes (capaces de enviar consultas al resolvedor) conducir ataques de envenenamiento de la cach\u00e9 DNS porque el valor TXID es conocido por el atacante."
    }
  ],
  "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:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-444"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:dproxy-nexgen_project:dproxy-nexgen:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "579888EE-A999-4603-97EF-740C042004B5"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://sourceforge.net/projects/dproxy/",
      "source": "cve@mitre.org",
      "tags": [
        "Product",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2022/08/14/3",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}