{
  "id": "CVE-2024-45489",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2024-09-20T17:15:15.060",
  "lastModified": "2024-09-26T13:32:55.343",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Arc before 2024-08-26 allows remote code execution in JavaScript boosts. Boosts that run JavaScript cannot be shared by default; however (because of misconfigured Firebase ACLs), it is possible to create or update a boost using another user's ID. This installs the boost in the victim's browser and runs arbitrary Javascript on that browser in a privileged context. NOTE: this is a no-action cloud vulnerability with zero affected users."
    },
    {
      "lang": "es",
      "value": "Arc anterior al 26/08/2024 permite la ejecuci\u00f3n remota de c\u00f3digo en boosts de JavaScript. Los boosts que ejecutan JavaScript no se pueden compartir de forma predeterminada; sin embargo (debido a listas de control de acceso de Firebase mal configuradas), es posible crear o actualizar un boost usando el ID de otro usuario. Esto instala el boost en el navegador de la v\u00edctima y ejecuta Javascript arbitrario en ese navegador en un contexto privilegiado. NOTA: esta es una vulnerabilidad en la nube que no requiere acci\u00f3n y no afecta a ning\u00fan usuario."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://arc.net/blog/CVE-2024-45489-incident-response",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://kibty.town/blog/arc/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://news.ycombinator.com/item?id=41597250",
      "source": "cve@mitre.org"
    }
  ]
}