{"containers": {"cna": {"title": "Limited data exposure for shared external videos in BigBlueButton", "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "references": [{"name": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-x82p-j22f-v4q6", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-x82p-j22f-v4q6"}, {"name": "https://github.com/bigbluebutton/bigbluebutton/pull/13788", "tags": ["x_refsource_MISC"], "url": "https://github.com/bigbluebutton/bigbluebutton/pull/13788"}, {"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": "2024-03-08T18:44:57.111Z"}, "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 who is able to obtain the meeting identifier for a meeting on a server can find information related to an external video being shared, like the current timestamp and play/pause. The problem has been patched in versions 2.3.18 and 2.4-rc-6 by modifying the stream to send the data only for users in the meeting. There are currently no known workarounds."}], "source": {"advisory": "GHSA-x82p-j22f-v4q6", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T06:17:54.233Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-x82p-j22f-v4q6", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-x82p-j22f-v4q6"}, {"name": "https://github.com/bigbluebutton/bigbluebutton/pull/13788", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/bigbluebutton/bigbluebutton/pull/13788"}, {"name": "https://github.com/bigbluebutton/bigbluebutton/pull/14265", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/bigbluebutton/bigbluebutton/pull/14265"}, {"name": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18", "tags": ["x_refsource_MISC", "x_transferred"], "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", "x_transferred"], "url": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-29235", "datePublished": "2022-06-01T23:25:18", "dateReserved": "2022-04-13T00:00:00", "dateUpdated": "2024-08-03T06:17:54.233Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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El problema ha sido parcheado en versiones 2.3.18 y 2.4-rc-6, al modificar el flujo para enviar los datos s\u00f3lo para usuarios de la reuni\u00f3n. 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