CVE-2024-23331

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The Vite dev server option `server.fs.deny` can be bypassed on case-insensitive file systems using case-augmented versions of filenames. Notably this affects servers hosted on Windows. This bypass is similar to CVE-2023-34092 -- with surface area reduced to hosts having case-insensitive filesystems. Since `picomatch` defaults to case-sensitive glob matching, but the file server doesn't discriminate; a blacklist bypass is possible. By requesting raw filesystem paths using augmented casing, the matcher derived from `config.server.fs.deny` fails to block access to sensitive files. This issue has been addressed in vite@5.0.12, vite@4.5.2, vite@3.2.8, and vite@2.9.17. Users are advised to upgrade. Users unable to upgrade should restrict access to dev servers."}, {"lang": "es", "value": "Vite es un framework de herramientas frontend para javascript. La opci\u00f3n del servidor de desarrollo de Vite `server.fs.deny` se puede omitir en sistemas de archivos que no distinguen entre may\u00fasculas y min\u00fasculas utilizando versiones de nombres de archivos aumentadas entre may\u00fasculas y min\u00fasculas. Cabe destacar que esto afecta a los servidores alojados en Windows. Esta omisi\u00f3n es similar a CVE-2023-34092, con un \u00e1rea de superficie reducida para hosts que tienen sistemas de archivos que no distinguen entre may\u00fasculas y min\u00fasculas. Dado que `picomatch` por defecto utiliza coincidencias globales que distinguen entre may\u00fasculas y min\u00fasculas, pero el servidor de archivos no discrimina; es posible omitir la lista negra. Al solicitar rutas de sistema de archivos sin formato usando may\u00fasculas aumentadas, el comparador derivado de `config.server.fs.deny` no logra bloquear el acceso a archivos confidenciales. Este problema se ha solucionado en vite@5.0.12, vite@4.5.2, vite@3.2.8 y vite@2.9.17. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar deben restringir el acceso a los servidores de desarrollo."}], "id": "CVE-2024-23331", "lastModified": "2026-06-17T07:12:36.707", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-23331", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-01-22T14:54:35.729020Z", "version": "2.0.3"}}]}, "published": "2024-01-19T20:15:14.070", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/vitejs/vite/commit/91641c4da0a011d4c5352e88fc68389d4e1289a5"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/vitejs/vite/security/advisories/GHSA-c24v-8rfc-w8vw"}, {"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://vitejs.dev/config/server-options.html#server-fs-deny"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/vitejs/vite/commit/91641c4da0a011d4c5352e88fc68389d4e1289a5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/vitejs/vite/security/advisories/GHSA-c24v-8rfc-w8vw"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://vitejs.dev/config/server-options.html#server-fs-deny"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-178"}, {"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-284"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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