CVE-2022-29234

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

CVSS 4.3 MEDIUMEPSS 0.8%CWE-285

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 4.3EPSS 0.8%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

01 jun 2022Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Productos afectados

bigbluebutton · bigbluebutton

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Referencias

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 https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-36vc-c338-6xjv