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CVE-2018-4448

Estado: ModificadaMedia (5.5)—

Se abordó un problema de inicialización de la memoria con un manejo de la memoria mejorada.  Este problema se corrigió en macOS Mojave versión 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS versión 12.1.1, watchOS versión 5.1.2, macOS Mojave versión 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra, tvOS versión 12.1.1. Un usuario local puede ser capaz de leer la memoria del kernel

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (4)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-4448",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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  },
  "affected": [
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      "affectedData": [
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          "vendor": "Apple",
          "product": "iOS",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
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  "published": "2020-10-27T20:15:13.830",
  "references": [
    {
      "url": "https://support.apple.com/en-us/HT209340",
      "tags": [
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      "source": "product-security@apple.com"
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    {
      "url": "https://support.apple.com/en-us/HT209341",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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          "value": "NVD-CWE-noinfo"
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      "lang": "en",
      "value": "A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.1.1, watchOS 5.1.2, macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra, tvOS 12.1.1. A local user may be able to read kernel memory."
    },
    {
      "lang": "es",
      "value": "Se abordó un problema de inicialización de la memoria con un manejo de la memoria mejorada.  Este problema se corrigió en macOS Mojave versión 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS versión 12.1.1, watchOS versión 5.1.2, macOS Mojave versión 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra, tvOS versión 12.1.1. Un usuario local puede ser capaz de leer la memoria del kernel"
    }
  ],
  "lastModified": "2026-06-17T01:59:00.080",
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}