CVE-2020-15099

{"id": "CVE-2020-15099", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2020-07-29T17:15:13.497", "references": [{"url": "https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-3x94-fv5h-5q2c", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://typo3.org/security/advisory/typo3-core-sa-2020-007", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code (HMAC-SHA1) - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. This includes the possibility to fetch typo3conf/LocalConfiguration.php, which again contains the encryptionKey as well as credentials of the database management system being used. In case a database server is directly accessible either via internet or in a shared hosting network, this allows the ability to completely retrieve, manipulate or delete database contents. This includes creating an administration user account - which can be used to trigger remote code execution by injecting custom extensions. This has been patched in versions 9.5.20 and 10.4.6."}, {"lang": "es", "value": "En TYPO3 CMS versiones posteriores o igual a 9.0.0 y anteriores a 9.5.20, y versiones posteriores o igual a 10.0.0 y anteriores a 10.4.6, en un caso en el que un atacante logra generar un c\u00f3digo de autenticaci\u00f3n de mensaje criptogr\u00e1fico v\u00e1lido (HMAC-SHA1), ya sea mediante el uso de una vulnerabilidad existente diferente o en caso de que la encryptionKey interna estuviera expuesta, es posible recuperar archivos arbitrarios de una instalaci\u00f3n TYPO3. Esto incluye la posibilidad de recuperar el archivo typo3conf/LocalConfiguration.php, que nuevamente contiene la encryptionKey, as\u00ed como las credenciales del sistema de administraci\u00f3n de la base de datos que se est\u00e1 usando. En caso de que un servidor de base de datos sea accesible directamente por medio de Internet o en una red de alojamiento compartido, esto permite la capacidad de recuperar, manipular o eliminar completamente el contenido de la base de datos. Esto incluye crear una cuenta de usuario de administraci\u00f3n, que pueda ser utilizada para activar una ejecuci\u00f3n de c\u00f3digo remota mediante la inyecci\u00f3n de extensiones personalizadas. Esto ha sido parcheado en las versiones 9.5.20 y 10.4.6"}], "lastModified": "2021-10-07T17:16:21.843", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "533733E0-9B24-41B2-A9A3-BF03785B6A85", "versionEndExcluding": "9.5.20", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "22121C59-1C9F-4079-AD4F-965F872BAC58", "versionEndExcluding": "10.4.6", "versionStartIncluding": "10.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}