CVE-2024-38518

{"id": "CVE-2024-38518", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.6, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.1}]}, "published": "2024-06-28T21:15:03.180", "references": [{"url": "https://github.com/bigbluebutton/bigbluebutton/commit/a9d436accdcd26ea66bed9f391488ac128cd62d1", "source": "security-advisories@github.com"}, {"url": "https://github.com/bigbluebutton/bigbluebutton/commit/ea6e9461dceae8fa593543d8c686f77bb8677e72", "source": "security-advisories@github.com"}, {"url": "https://github.com/bigbluebutton/bigbluebutton/pull/20279", "source": "security-advisories@github.com"}, {"url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-4m48-49h7-f3c4", "source": "security-advisories@github.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "BigBlueButton is an open-source virtual classroom designed to help teachers teach and learners learn. An attacker with a valid join link to a meeting can trick BigBlueButton into generating a signed join link with additional parameters. One of those parameters may be \"role=moderator\", allowing an attacker to join a meeting as moderator using a join link that was originally created for viewer access. This vulnerability has been patched in version(s) 2.6.18, 2.7.8 and 3.0.0-alpha.7."}, {"lang": "es", "value": "BigBlueButton es un aula virtual de c\u00f3digo abierto dise\u00f1ada para ayudar a los profesores a ense\u00f1ar y a los alumnos a aprender. Un atacante con un enlace de entrada v\u00e1lido para una reuni\u00f3n puede enga\u00f1ar a BigBlueButton para que genere un enlace de entrada firmado con par\u00e1metros adicionales. Uno de esos par\u00e1metros puede ser \"rol=moderador\", lo que permite a un atacante unirse a una reuni\u00f3n como moderador utilizando un enlace para unirse que se cre\u00f3 originalmente para el acceso de los espectadores. Esta vulnerabilidad ha sido parcheada en las versiones 2.6.18, 2.7.8 y 3.0.0-alpha.7."}], "lastModified": "2024-07-01T12:37:24.220", "sourceIdentifier": "security-advisories@github.com"}