{
  "id": "CVE-2022-36227",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-11-22T02:15:11.003",
  "lastModified": "2024-11-21T07:12:37.697",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In libarchive before 3.6.2, the software does not check for an error after calling calloc function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference. NOTE: the discoverer cites this CWE-476 remark but third parties dispute the code-execution impact: \"In rare circumstances, when NULL is equivalent to the 0x0 memory address and privileged code can access it, then writing or reading memory is possible, which may lead to code execution.\""
    },
    {
      "lang": "es",
      "value": "En libarchive anterior a 3.6.2, el software no busca un error despu\u00e9s de llamar a la funci\u00f3n calloc que puede regresar con un puntero NULL si la funci\u00f3n falla, lo que conduce a una desreferencia del puntero NULL resultante. NOTA: el descubridor cita este comentario CWE-476, pero terceros cuestionan el impacto de la ejecuci\u00f3n del c\u00f3digo: \"En raras circunstancias, cuando NULL es equivalente a la direcci\u00f3n de memoria 0x0 y el c\u00f3digo privilegiado puede acceder a ella, entonces es posible escribir o leer la memoria, lo cual puede llevar a la ejecuci\u00f3n del c\u00f3digo.\""
    }
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
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        "exploitabilityScore": 3.9,
        "impactScore": 5.9
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