CVE-2022-41963

BigBlueButton contains Improper Preservation of Permissions for whiteboard

CVSS 2.7 LOWEPSS 0.4%CWE-281

Vexday Risk Score

8Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 2.7EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

16 dez 2022Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.3 contain a whiteboard grace period that exists to handle delayed messages, but this grace period could be used by attackers to take actions in the few seconds after their access is revoked. The attacker must be a meeting participant. This issue is patched in version 2.4.3 an version 2.5-alpha-1

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

Produtos afetados

bigbluebutton · bigbluebutton

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Referências

https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.3 https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6p9-926c-6qfp