nvd-json-data-feeds/CVE-2021/CVE-2021-42xx/CVE-2021-4209.json

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  "id": "CVE-2021-4209",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2022-08-24T16:15:09.927",
  "lastModified": "2022-10-27T16:57:33.273",
  "vulnStatus": "Analyzed",
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      "value": "A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo de desreferencia de puntero NULL en GnuTLS. Como las funciones de actualizaci\u00f3n de hash de Nettle llaman internamente a memcpy, proporcionar una entrada de longitud cero puede causar un comportamiento indefinido. Este fallo conlleva a una denegaci\u00f3n de servicio tras la autenticaci\u00f3n en raras circunstancias."
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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          "baseScore": 6.5,
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