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{"descriptions": [{"lang": "en", "value": "Wasmer is a web assembly (wasm) Runtime supporting WASIX, WASI and Emscripten. If the preopened directory has a symlink pointing outside, WASI programs can traverse the symlink and access host filesystem if the caller sets both `oflags::creat` and `rights::fd_write`. Programs can also crash the runtime by creating a symlink pointing outside with `path_symlink` and `path_open`ing the link. This issue has been addressed in commit `b9483d022` which has been included in release version 4.3.2. Users are advised to upgrade. There are no known workarounds for this vulnerability."}, {"lang": "es", "value": "Wasmer es un tiempo de ejecuci\u00f3n de ensamblaje web (wasm) que admite WASIX, WASI y Emscripten. Si el directorio preabierto tiene un enlace simb\u00f3lico que apunta hacia afuera, los programas WASI pueden atravesar el enlace simb\u00f3lico y acceder al sistema de archivos del host si la persona que llama configura tanto `oflags::creat` como `rights::fd_write`. Los programas tambi\u00e9n pueden bloquear el tiempo de ejecuci\u00f3n al crear un enlace simb\u00f3lico que apunte hacia afuera con `path_symlink` y `path_open` en el enlace. Este problema se solucion\u00f3 en el commit `b9483d022` que se incluy\u00f3 en la versi\u00f3n 4.3.2. Se recomienda a los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad."}], "id": "CVE-2024-38358", "lastModified": "2024-11-21T09:25:26.643", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 2.9, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 1.4, "source": "[email protected]", "type": "Secondary"}]}, "published": "2024-06-19T20:15:11.990", "references": [{"source": "[email protected]", "url": "https://github.com/wasmerio/wasmer/commit/b9483d022c602b994103f78ecfe46f017f8ac662"}, {"source": "[email protected]", "url": "https://github.com/wasmerio/wasmer/security/advisories/GHSA-55f3-3qvg-8pv5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/wasmerio/wasmer/commit/b9483d022c602b994103f78ecfe46f017f8ac662"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/wasmerio/wasmer/security/advisories/GHSA-55f3-3qvg-8pv5"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "[email protected]", "type": "Secondary"}]}

{}

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