fkie_cve-2020-15667
Vulnerability from fkie_nvd
Published
2020-10-01 19:15
Modified
2024-11-21 05:05
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
When processing a MAR update file, after the signature has been validated, an invalid name length could result in a heap overflow, leading to memory corruption and potentially arbitrary code execution. Within Firefox as released by Mozilla, this issue is only exploitable with the Mozilla-controlled signing key. This vulnerability affects Firefox < 80.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1653371Issue Tracking, Permissions Required, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-36/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1653371Issue Tracking, Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-36/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *


To clipboard 

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  "descriptions": [
    {
      "lang": "en",
      "value": "When processing a MAR update file, after the signature has been validated, an invalid name length could result in a heap overflow, leading to memory corruption and potentially arbitrary code execution. Within Firefox as released by Mozilla, this issue is only exploitable with the Mozilla-controlled signing key. This vulnerability affects Firefox \u003c 80."
    },
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      "lang": "es",
      "value": "Cuando se procesa un archivo de actualizaci\u00f3n MAR, despu\u00e9s de que haya sido comprobada la firma, una longitud de nombre no v\u00e1lida podr\u00eda resultar en un desbordamiento de la pila, conllevando a una corrupci\u00f3n de la memoria y una ejecuci\u00f3n de c\u00f3digo potencialmente arbitraria.\u0026#xa0;En Firefox, tal como es lanzado por Mozilla, este problema solo es explotable con la clave de firma controlada por Mozilla.\u0026#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 80"
    }
  ],
  "id": "CVE-2020-15667",
  "lastModified": "2024-11-21T05:05:58.690",
  "metrics": {
    "cvssMetricV2": [
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
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  "published": "2020-10-01T19:15:13.267",
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      "source": "security@mozilla.org",
      "tags": [
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  "vulnStatus": "Modified",
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  ]
}


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