Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*", "matchCriteriaId": "5F3F6566-B94F-4CBC-B1BA-DACA51865D76", "versionEndIncluding": "2.5.18", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha1:*:*:*:*:*:*", "matchCriteriaId": "83C1F894-31BC-4C2D-AD62-837D990257CF", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha2:*:*:*:*:*:*", "matchCriteriaId": "84EE596E-A3F6-4B29-B51D-CAE19A74D5E3", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha3:*:*:*:*:*:*", "matchCriteriaId": "A8DD6CB9-0B7E-4C4E-BDC6-D8FD1B85882D", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha4:*:*:*:*:*:*", "matchCriteriaId": "1BA4033B-60B8-4674-98CA-F5794B905362", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "BigBlueButton is an open-source virtual classroom. BigBlueButton prior to version 2.6.0-beta.1 has a path traversal vulnerability that allows an attacker with a valid starting folder path, to traverse and read other files without authentication, assuming the files have certain extensions (txt, swf, svg, png). In version 2.6.0-beta.1, input validation was added on the parameters being passed and dangerous characters are stripped. There are no known workarounds."}, {"lang": "es", "value": "BigBlueButton es un aula virtual de c\u00f3digo abierto. BigBlueButton anterior a la versi\u00f3n 2.6.0-beta.1 tiene una vulnerabilidad de path traversal que permite a un atacante con una ruta de carpeta de inicio v\u00e1lida atravesar y leer otros archivos sin autenticaci\u00f3n, asumiendo que los archivos tienen ciertas extensiones (txt, swf, svg, png). En la versi\u00f3n 2.6.0-beta.1, se agreg\u00f3 validaci\u00f3n de entrada en los par\u00e1metros que se pasan y se eliminan los caracteres peligrosos. No se conocen workarounds."}], "id": "CVE-2023-42804", "lastModified": "2024-11-21T08:23:11.483", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-10-30T19:15:08.037", "references": [{"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/bigbluebutton/bigbluebutton/pull/15960"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3qjg-229m-vq84"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/bigbluebutton/bigbluebutton/pull/15960"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3qjg-229m-vq84"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}