CVE-2022-29232
MEDIUM severity · CVSS 6.5 · Information disclosure
6.5CVSS MEDIUM
Summary
BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a meeting on the server. BigBlueButton versions 2.3.9 and 2.4-beta-1 contain a patch for this issue. There are currently no known workarounds.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/bigbluebutton/bigbluebutton/pull/12861 ↗
Additional information
- NVD record
- https://github.com/bigbluebutton/bigbluebutton/pull/12861Patch
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3fqh-p4qr-vfm9Patch
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.9Advisory
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-beta-1Advisory