2024-07-01 14:05:25 +00:00

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{
"id": "CVE-2024-38518",
"sourceIdentifier": "security-advisories@github.com",
"published": "2024-06-28T21:15:03.180",
"lastModified": "2024-07-01T12:37:24.220",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"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."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "security-advisories@github.com",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "LOW",
"baseScore": 4.6,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 2.1,
"impactScore": 2.5
}
]
},
"weaknesses": [
{
"source": "security-advisories@github.com",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-284"
}
]
}
],
"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"
}
]
}