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
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
bigbluebutton bigbluebutton
>= 2.2, < 2.3.18affected>= 2.4, < 2.4.1affected
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 ↗