4.3

CVE-2022-29234

Grace period for lock settings in public/private chats in BigBlueButton

Grace period for lock settings in public/private chats

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.
Mögliche Gegenmaßnahme
Server: No workaround.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
BigBlueButton ≫ BigBlueButton Version >= 2.2.0 < 2.3.18
BigBlueButton ≫ BigBlueButton Version >= 2.4 < 2.4.1
Weitere Schwachstelleninformationen
SystemBigBlueButton
≫
Produkt Server
Version >= 0.0.0, < 2.3.18
Version >= 2.4.0, < 2.4.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.78% 0.51
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.3 2.8 1.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
nvd@nist.gov 4 8 2.9
AV:N/AC:L/Au:S/C:N/I:P/A:N
security-advisories@github.com 4.3 2.8 1.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE-285 Improper Authorization

The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

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