CVE-2023-43798
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.
| Software | From | Fixed in |
|---|---|---|
| bigbluebutton / bigbluebutton | - | 2.6.12 |
| bigbluebutton / bigbluebutton | 2.7.0-beta2 | 2.7.0-beta2.x |
| bigbluebutton / bigbluebutton | 2.7.0-beta3 | 2.7.0-beta3.x |
| bigbluebutton / bigbluebutton | 2.7.0-beta1 | 2.7.0-beta1.x |
| bigbluebutton / bigbluebutton | 2.7.0-alpha1 | 2.7.0-alpha1.x |
| bigbluebutton / bigbluebutton | 2.7.0-alpha2 | 2.7.0-alpha2.x |
| bigbluebutton / bigbluebutton | 2.7.0-alpha3 | 2.7.0-alpha3.x |
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