CVE-2022-29235 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-rc-6 an attacker who is able to obtain the meeting identifier for a meeting on a server can find information related to an external video being shared like the current timestamp and play/pause. The problem has been patched in versions 2.3.18 and 2.4-rc-6 by modifying the stream to send the data only for users in the meeting. There are currently no known workarounds.

Reference

https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6 https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-x82p-j22f-v4q6 https://github.com/bigbluebutton/bigbluebutton/pull/14265 https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18 https://github.com/bigbluebutton/bigbluebutton/pull/13788