CVE-2024-45489

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}, {"affectedData": [{"cpes": ["cpe:2.3:a:the_browser_company:arc:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "arc", "vendor": "the_browser_company", "versions": [{"lessThan": "2024-08-26", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "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."}], "id": "CVE-2024-45489", "lastModified": "2026-06-17T07:54:18.360", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-45489", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-09-20T17:21:03.827296Z", "version": "2.0.3"}}]}, "published": "2024-09-20T17:15:15.060", "references": [{"source": "cve@mitre.org", "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"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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