| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| bigbluebutton | = 2.4≥ 2.2.0, < 2.3.18 | 2.3.18 |
BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior 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.
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