{
  "id": "CVE-2021-33643",
  "sourceIdentifier": "securities@openeuler.org",
  "published": "2022-08-10T20:15:20.450",
  "lastModified": "2023-02-23T16:16:53.807",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read."
    },
    {
      "lang": "es",
      "value": "Un atacante que env\u00eda un archivo tar dise\u00f1ado con el tama\u00f1o de la estructura de encabezado siendo 0 puede ser capaz de desencadenar una llamada de malloc(0) para una variable gnu_longlink, causando una lectura fuera de l\u00edmites"
    }
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2
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