CVE-2022-29234 Information

Description

BigBlueButton is an open source web conferencing system. Starting in version 2.2 and up to versions 2.3.18 and 2.4.1 an attacker could send messages to a locked chat within a grace period of 5s after the lock setting was enacted. 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.

Reference

https://github.com/bigbluebutton/bigbluebutton/pull/13850 https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.1 https://github.com/bigbluebutton/bigbluebutton/pull/14265 https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18 https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-36vc-c338-6xjv