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CVE-2017-5418

Estado: ModificadaMedia (5.3)—

Ocurre un error de lectura fuera de límites al analizar algunas respuestas HTTP de autorización digest, lo que resulta en una fuga de información mediante la lectura de memoria aleatoria que contiene coincidencias a patrones establecidos específicamente. La vulnerabilidad afecta a Firefox en versiones anteriores a la 52 y Thunderbird en versiones anteriores a la 52.

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 (2)

Mozilla — FirefoxMozilla — Thunderbird

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2017-5418",
  "cveTags": [],
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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          "baseScore": 5.3,
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
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        "impactScore": 1.4,
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  "affected": [
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      "affectedData": [
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          "vendor": "Mozilla",
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  "published": "2018-06-11T21:29:05.047",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-125"
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "An out of bounds read error occurs when parsing some HTTP digest authorization responses, resulting in information leakage through the reading of random memory containing matches to specifically set patterns. This vulnerability affects Firefox < 52 and Thunderbird < 52."
    },
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      "lang": "es",
      "value": "Ocurre un error de lectura fuera de límites al analizar algunas respuestas HTTP de autorización digest, lo que resulta en una fuga de información mediante la lectura de memoria aleatoria que contiene coincidencias a patrones establecidos específicamente. La vulnerabilidad afecta a Firefox en versiones anteriores a la 52 y Thunderbird en versiones anteriores a la 52."
    }
  ],
  "lastModified": "2026-06-17T01:20:26.883",
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