CVE-2023-43798
BigBlueButton Blind SSRF When Uploading Presentation (mitigation bypass)
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BigBlueButton Blind SSRF When Uploading Presentation (mitigation bypass)
| Assigner | GitHub_M |
| Reserved | 2023-09-22 |
| Published | 2023-10-30 |
| Updated | 2024-09-05 |
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.
| CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
CWE-918: Server-Side Request Forgery (SSRF)
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
