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CVE-2024-9393

Estado: ModificadaAlta (7.5)—

An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://pdf.js` origin. This could allow them to access cross-origin PDF content. This access is limited to "same site" documents by the Site Isolation feature on desktop clients, but full cross-origin access is possible on Android versions. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131.

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 (3)

Mozilla — FirefoxMozilla — Firefox ESRMozilla — Thunderbird

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2024-9393",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-9393",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-03-14T15:14:36.763792Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 3.6,
        "exploitabilityScore": 3.9
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  "affected": [
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          "product": "Firefox",
          "versions": [
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          "vendor": "Mozilla",
          "product": "Thunderbird",
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              "version": "unspecified",
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  ],
  "published": "2024-10-01T16:15:10.623",
  "references": [
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      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1918301",
      "tags": [
        "Permissions Required"
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      "source": "security@mozilla.org"
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    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-46/",
      "tags": [
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      "url": "https://www.mozilla.org/security/advisories/mfsa2024-47/",
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      "url": "https://www.mozilla.org/security/advisories/mfsa2024-48/",
      "tags": [
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      "source": "security@mozilla.org"
    },
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      "tags": [
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      "source": "security@mozilla.org"
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      "tags": [
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      "source": "security@mozilla.org"
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    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00004.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00006.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "value": "NVD-CWE-Other"
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    {
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://pdf.js` origin.  This could allow them to access cross-origin PDF content. This access is limited to \"same site\" documents by the Site Isolation feature on desktop clients, but full cross-origin access is possible on Android versions. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131."
    },
    {
      "lang": "es",
      "value": "Un atacante podría, mediante una respuesta de varias partes especialmente manipulada, ejecutar código JavaScript arbitrario bajo el origen `resource://pdf.js`. Esto podría permitirle acceder a contenido PDF de origen cruzado. Este acceso está limitado a documentos del \"mismo sitio\" por la función de aislamiento de sitios en los clientes de escritorio, pero el acceso completo de origen cruzado es posible en las versiones de Android. Esta vulnerabilidad afecta a Firefox &lt; 131, Firefox ESR &lt; 128.3, Firefox ESR &lt; 115.16, Thunderbird &lt; 128.3 y Thunderbird &lt; 131."
    }
  ],
  "lastModified": "2026-06-17T08:24:28.693",
  "configurations": [
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}