CVE-2022-29236

{"id": "CVE-2022-29236", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2022-06-02T00:15:08.483", "references": [{"url": "https://github.com/bigbluebutton/bigbluebutton/pull/13803", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/bigbluebutton/bigbluebutton/pull/14265", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18", "tags": ["Release Notes", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6", "tags": ["Release Notes", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-p93g-r9gm-9v6r", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-285"}]}], "descriptions": [{"lang": "en", "value": "BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior to versions 2.3.18 and 2.4-rc-6, an attacker can circumvent access restrictions for drawing on the whiteboard. The permission check is inadvertently skipped on the server, due to a previously introduced grace period. The attacker must be a meeting participant. The problem has been patched in versions 2.3.18 and 2.4-rc-6. There are currently no known workarounds."}, {"lang": "es", "value": "BigBlueButton es un sistema de conferencias web de c\u00f3digo abierto. A partir de la versi\u00f3n 2.2 y versiones hasta 2.3.18 y 2.4-rc-6, un atacante puede omitir las restricciones de acceso para dibujar en la pizarra. La comprobaci\u00f3n de permisos es omitida inadvertidamente en el servidor, debido a un periodo de gracia introducido previamente. El atacante debe ser un participante de la reuni\u00f3n. El problema ha sido parcheado en versiones 2.3.18 y 2.4-rc-6. Actualmente no son conocidas mitigaciones"}], "lastModified": "2024-03-08T19:15:07.403", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "60814A0D-57C0-4407-B7DD-26A9D5C3DBB1", "versionEndExcluding": "2.3.18", "versionStartIncluding": "2.2.0"}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:alpha1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C136F53E-2EC5-433F-B354-88DA37689142"}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:alpha2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "626A8774-BC38-4F11-A16B-918EC8740C82"}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33735D00-C2AC-4FDA-B47B-B15D099F26F3"}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "98890F0C-2E60-4696-A6E5-F44FB2A1A5BD"}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0C916210-11BF-4F4C-AE3E-29D27135F3F9"}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ABB37B70-021E-48F6-B3D2-0790A4729A3C"}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "407E0358-75E5-41D9-A624-3C15D2145DDE"}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EC135064-4919-4759-BC25-34C7868F6431"}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A0173198-BFAB-49E5-898E-173503C452C2"}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CCB8C413-ECD9-47BF-963C-B3A0F25A1BD8"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}