CVE-2024-45489

{"id": "CVE-2024-45489", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2024-09-20T17:15:15.060", "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"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-284"}]}], "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."}], "lastModified": "2024-09-26T13:32:55.343", "sourceIdentifier": "cve@mitre.org"}