CVE-2022-29235
MEDIUM severity · CVSS 5.3 · Information disclosure
5.3CVSS MEDIUM
Summary
BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior to versions 2.3.18 and 2.4-rc-6, an attacker who is able to obtain the meeting identifier for a meeting on a server can find information related to an external video being shared, like the current timestamp and play/pause. The problem has been patched in versions 2.3.18 and 2.4-rc-6 by modifying the stream to send the data only for users in the meeting. There are currently no known workarounds.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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/13788 ↗
Additional information
- NVD record
- https://github.com/bigbluebutton/bigbluebutton/pull/13788Patch
- https://github.com/bigbluebutton/bigbluebutton/pull/14265Patch
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-x82p-j22f-v4q6Patch
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18Advisory
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6Advisory