{"id":"CVE-2023-43798","state":"PUBLISHED","title":"BigBlueButton Blind SSRF When Uploading Presentation (mitigation bypass)","description":"BigBlueButton is an open-source virtual classroom. BigBlueButton prior to versions 2.6.12 and 2.7.0-rc.1 is vulnerable to Server-Side Request Forgery (SSRF). This issue is a bypass of CVE-2023-33176. A patch in versions 2.6.12 and 2.7.0-rc.1 disabled follow redirect at `httpclient.execute` since the software no longer has to follow it when using `finalUrl`. There are no known workarounds. We recommend upgrading to a patched version of BigBlueButton.","publishedAt":"2023-10-30T22:24:59.109Z","updatedAt":"2024-09-05T20:19:17.331Z","severity":{"score":5.6,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["bigbluebutton bigbluebutton"],"affected":[{"vendor":"bigbluebutton","product":"bigbluebutton","versions":[{"version":"< 2.6.12","status":"affected"},{"version":">= 2.7.0-alpha.1, < 2.7.0-rc.1","status":"affected"}]}],"references":["https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-h98v-2h8w-99c4","https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3q22-hph2-cff7","https://github.com/bigbluebutton/bigbluebutton/pull/18494","https://github.com/bigbluebutton/bigbluebutton/pull/18580"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:06:17.512Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/43xxx/CVE-2023-43798.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-43798","state":"PUBLISHED","datePublished":"2023-10-30T22:24:59.109Z","dateUpdated":"2024-09-05T20:19:17.331Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-09-22T14:51:42.340Z"},"containers":{"cna":{"title":"BigBlueButton Blind SSRF When Uploading Presentation (mitigation bypass)","descriptions":[{"lang":"en","value":"BigBlueButton is an open-source virtual classroom. BigBlueButton prior to versions 2.6.12 and 2.7.0-rc.1 is vulnerable to Server-Side Request Forgery (SSRF). This issue is a bypass of CVE-2023-33176. A patch in versions 2.6.12 and 2.7.0-rc.1 disabled follow redirect at `httpclient.execute` since the software no longer has to follow it when using `finalUrl`. There are no known workarounds. We recommend upgrading to a patched version of BigBlueButton."}],"affected":[{"vendor":"bigbluebutton","product":"bigbluebutton","versions":[{"version":"< 2.6.12","status":"affected"},{"version":">= 2.7.0-alpha.1, < 2.7.0-rc.1","status":"affected"}]}],"references":[{"url":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-h98v-2h8w-99c4","name":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-h98v-2h8w-99c4","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3q22-hph2-cff7","name":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3q22-hph2-cff7","tags":["x_refsource_MISC"]},{"url":"https://github.com/bigbluebutton/bigbluebutton/pull/18494","name":"https://github.com/bigbluebutton/bigbluebutton/pull/18494","tags":["x_refsource_MISC"]},{"url":"https://github.com/bigbluebutton/bigbluebutton/pull/18580","name":"https://github.com/bigbluebutton/bigbluebutton/pull/18580","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.6,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-10-30T22:24:59.109Z"},"source":{"advisory":"GHSA-h98v-2h8w-99c4","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-h98v-2h8w-99c4","name":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-h98v-2h8w-99c4","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3q22-hph2-cff7","name":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3q22-hph2-cff7","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/bigbluebutton/bigbluebutton/pull/18494","name":"https://github.com/bigbluebutton/bigbluebutton/pull/18494","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/bigbluebutton/bigbluebutton/pull/18580","name":"https://github.com/bigbluebutton/bigbluebutton/pull/18580","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T19:52:11.270Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-05T20:19:07.980053Z","id":"CVE-2023-43798","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-05T20:19:17.331Z"}}]}}}