CVE-2024-27094

{"id": "CVE-2024-27094", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.2, "exploitabilityScore": 2.2}]}, "published": "2024-03-21T02:52:18.063", "references": [{"url": "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/commit/2d081f24cac1a867f6f73d512f2022e1fa987854", "source": "security-advisories@github.com"}, {"url": "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/commit/723f8cab09cdae1aca9ec9cc1cfa040c2d4b06c1", "source": "security-advisories@github.com"}, {"url": "https://github.com/OpenZeppelin/openzeppelin-contracts/commit/92224533b1263772b0774eec3134e132a3d7b2a6", "source": "security-advisories@github.com"}, {"url": "https://github.com/OpenZeppelin/openzeppelin-contracts/commit/a6286d0fded8771b3a645e5813e51993c490399c", "source": "security-advisories@github.com"}, {"url": "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-9vx6-7xxf-x967", "source": "security-advisories@github.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "OpenZeppelin Contracts is a library for secure smart contract development. The `Base64.encode` function encodes a `bytes` input by iterating over it in chunks of 3 bytes. When this input is not a multiple of 3, the last iteration may read parts of the memory that are beyond the input buffer. The vulnerability is fixed in 5.0.2 and 4.9.6."}, {"lang": "es", "value": "OpenZeppelin Contracts es una librer\u00eda para el desarrollo seguro de contratos inteligentes. La funci\u00f3n `Base64.encode` codifica una entrada de `bytes` iter\u00e1ndola en fragmentos de 3 bytes. Cuando esta entrada no es m\u00faltiplo de 3, la \u00faltima iteraci\u00f3n puede leer partes de la memoria que est\u00e1n m\u00e1s all\u00e1 del b\u00fafer de entrada. La vulnerabilidad se solucion\u00f3 en 5.0.2 y 4.9.6."}], "lastModified": "2024-03-21T12:58:51.093", "sourceIdentifier": "security-advisories@github.com"}