nvd-json-data-feeds/CVE-2021/CVE-2021-34xx/CVE-2021-3420.json

{
  "id": "CVE-2021-3420",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2021-03-05T21:15:13.437",
  "lastModified": "2021-03-24T18:00:49.557",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer overflow, leading to an allocation of a small buffer and then to a heap-based buffer overflow."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 un fallo en newlib en versiones anteriores a 4.0.0. Una comprobaci\u00f3n inapropiada del desbordamiento en las funciones de asignaci\u00f3n de memoria mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc podr\u00eda causar un desbordamiento de enteros, conllevando a una asignaci\u00f3n de un b\u00fafer peque\u00f1o y luego a un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria"
    }
  ],
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
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        "exploitabilityScore": 3.9,
        "impactScore": 5.9
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          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  },
  "weaknesses": [
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      "source": "secalert@redhat.com",
      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-120"
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934088",
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