CVE-2022-29234
Grace period for lock settings in public/private chats in BigBlueButton
- State
- Published
- Severity
- 4.3 Medium
- Published
- Jun 1, 2022
- Updated
- Apr 23, 2025
- Reserved
- Apr 13, 2022
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N | GitHub_M |
Weaknesses
- CWE-285 Improper Authorization
Affected Products
| Product | Versions |
|---|---|
bigbluebuttonbigbluebutton |
|
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
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