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

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

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

Ciclo de vida

01 jun 2022Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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

Produtos afetados

bigbluebutton · bigbluebutton

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Referências

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