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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 1.36.2 and prior to version 1.40.3, use of inherently unsafe `*const c_void` and `ExternalPointer` leads to use-after-free access of the underlying structure, resulting in arbitrary code execution. Use of inherently unsafe `*const c_void` and `ExternalPointer` leads to use-after-free access of the underlying structure, which is exploitable by an attacker controlling the code executed inside a Deno runtime to obtain arbitrary code execution on the host machine regardless of permissions. This bug is known to be exploitable for both `*const c_void` and `ExternalPointer` implementations. Version 1.40.3 fixes this issue."}, {"lang": "es", "value": "Deno es un tiempo de ejecuci\u00f3n de JavaScript, TypeScript y WebAssembly. A partir de la versi\u00f3n 1.36.2 y antes de la versi\u00f3n 1.40.3, el uso de `*const c_void` y `ExternalPointer` inherentemente inseguros conduce al acceso libre de uso a la estructura subyacente, lo que resulta en la ejecuci\u00f3n de c\u00f3digo arbitrario. El uso de `*const c_void` y `ExternalPointer` inherentemente inseguros conduce a use-after-free a la estructura subyacente, que es explotable por un atacante que controla el c\u00f3digo ejecutado dentro de un tiempo de ejecuci\u00f3n de Deno para obtener la ejecuci\u00f3n de c\u00f3digo arbitrario en la m\u00e1quina host independientemente de permisos. Se sabe que este error es explotable tanto para implementaciones `*const c_void` como `ExternalPointer`. La versi\u00f3n 1.40.3 soluciona este problema."}], "id": "CVE-2024-27934", "lastModified": "2024-03-21T12:58:51.093", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2024-03-21T02:52:22.427", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/denoland/deno/security/advisories/GHSA-3j27-563v-28wf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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