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CVE-2019-17009

Estado: ModificadaAlta (7.8)—

Cuando se ejecuta, el servicio updater escribió el estado y los archivos de registro en una ubicación sin restricciones; permitiendo potencialmente a un proceso sin privilegios localizar y explotar una vulnerabilidad en el manejo de archivos en el servicio updater. *Nota: Este ataque requiere acceso al sistema local y solo afecta a Windows. Otros sistemas operativos no están afectados. *. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a la versión 68.3, Firefox ESR versiones anteriores a la versión 68.3 y Firefox versiones anteriores a la versión 71.

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)

Mozilla — FirefoxMozilla — Firefox ESRMozilla — ThunderbirdOpensuse — Leap

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2019-17009",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 1.8
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  "affected": [
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      "source": "security@mozilla.org",
      "affectedData": [
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          "vendor": "Mozilla",
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  "published": "2020-01-08T22:15:11.810",
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      "tags": [
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  "vulnStatus": "Modified",
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          "value": "NVD-CWE-noinfo"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to locate and exploit a vulnerability in file handling in the updater service. *Note: This attack requires local system access and only affects Windows. Other operating systems are not affected.*. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71."
    },
    {
      "lang": "es",
      "value": "Cuando se ejecuta, el servicio updater escribió el estado y los archivos de registro en una ubicación sin restricciones; permitiendo potencialmente a un proceso sin privilegios localizar y explotar una vulnerabilidad en el manejo de archivos en el servicio updater. *Nota: Este ataque requiere acceso al sistema local y solo afecta a Windows. Otros sistemas operativos no están afectados. *. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a la versión  68.3, Firefox ESR versiones anteriores a la versión 68.3 y Firefox versiones anteriores a la versión  71."
    }
  ],
  "lastModified": "2026-06-17T02:23:08.580",
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