{"containers": {"cna": {"title": "Improper access control for pencil annotations in BigBlueButton", "problemTypes": [{"descriptions": [{"cweId": "CWE-285", "lang": "en", "description": "CWE-285: Improper Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-p93g-r9gm-9v6r", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-p93g-r9gm-9v6r"}, {"name": "https://github.com/bigbluebutton/bigbluebutton/pull/13803", "tags": ["x_refsource_MISC"], "url": "https://github.com/bigbluebutton/bigbluebutton/pull/13803"}, {"name": "https://github.com/bigbluebutton/bigbluebutton/pull/14265", "tags": ["x_refsource_MISC"], "url": "https://github.com/bigbluebutton/bigbluebutton/pull/14265"}, {"name": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18", "tags": ["x_refsource_MISC"], "url": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18"}, {"name": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6", "tags": ["x_refsource_MISC"], "url": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6"}], "affected": [{"vendor": "bigbluebutton", "product": "bigbluebutton", "versions": [{"version": ">= 2.2, < 2.3.18", "status": "affected"}, {"version": ">= 2.4-alpha-1, < 2.4-rc-6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2024-03-08T18:44:12.855Z"}, "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."}], "source": {"advisory": "GHSA-p93g-r9gm-9v6r", "discovery": "UNKNOWN"}}}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-29236", "datePublished": "2022-06-01T23:25:12", "dateReserved": "2022-04-13T00:00:00", "dateUpdated": "2024-03-08T18:44:12.855Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*", "matchCriteriaId": "60814A0D-57C0-4407-B7DD-26A9D5C3DBB1", "versionEndExcluding": "2.3.18", "versionStartIncluding": "2.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:alpha1:*:*:*:*:*:*", "matchCriteriaId": "C136F53E-2EC5-433F-B354-88DA37689142", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:alpha2:*:*:*:*:*:*", "matchCriteriaId": "626A8774-BC38-4F11-A16B-918EC8740C82", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta1:*:*:*:*:*:*", "matchCriteriaId": "33735D00-C2AC-4FDA-B47B-B15D099F26F3", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta2:*:*:*:*:*:*", "matchCriteriaId": "98890F0C-2E60-4696-A6E5-F44FB2A1A5BD", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta3:*:*:*:*:*:*", "matchCriteriaId": "0C916210-11BF-4F4C-AE3E-29D27135F3F9", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta4:*:*:*:*:*:*", "matchCriteriaId": "ABB37B70-021E-48F6-B3D2-0790A4729A3C", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc1:*:*:*:*:*:*", "matchCriteriaId": "407E0358-75E5-41D9-A624-3C15D2145DDE", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc3:*:*:*:*:*:*", "matchCriteriaId": "EC135064-4919-4759-BC25-34C7868F6431", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc4:*:*:*:*:*:*", "matchCriteriaId": "A0173198-BFAB-49E5-898E-173503C452C2", "vulnerable": true}, {"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc5:*:*:*:*:*:*", "matchCriteriaId": "CCB8C413-ECD9-47BF-963C-B3A0F25A1BD8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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"}], "id": "CVE-2022-29236", "lastModified": "2024-03-08T19:15:07.403", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2022-06-02T00:15:08.483", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/bigbluebutton/bigbluebutton/pull/13803"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/bigbluebutton/bigbluebutton/pull/14265"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-p93g-r9gm-9v6r"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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