CVE-2022-29234

Summary

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.

Affected Software

Weaknesses

• CWE-285: CWE-285: Improper Authorization

ADP Enrichment

CVE Program Container

Additional 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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

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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