Description
BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior to versions 2.3.18 and 2.4.1, an attacker could send messages to a locked chat within a grace period of 5s any lock setting in the meeting was changed. The attacker needs to be a participant in the meeting. Versions 2.3.18 and 2.4.1 contain a patch for this issue. There are currently no known workarounds.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| bigbluebutton | bigbluebutton | >= 2.2, < 2.3.18, >= 2.4, < 2.4.1 | — |
References
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-36vc-c338-6xjv
- https://github.com/bigbluebutton/bigbluebutton/pull/13850
- https://github.com/bigbluebutton/bigbluebutton/pull/14265
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.1