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 can circumvent access restrictions for drawing on the whiteboard. The permission check is inadvertently skipped on the server, due to a previously introduced grace period. The attacker must be a meeting participant. The problem has been patched in versions 2.3.18 and 2.4-rc-6. There are currently no known workarounds.
Advisories
Source ID Title
EUVD EUVD EUVD-2022-33596 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 can circumvent access restrictions for drawing on the whiteboard. The permission check is inadvertently skipped on the server, due to a previously introduced grace period. The attacker must be a meeting participant. The problem has been patched in versions 2.3.18 and 2.4-rc-6. There are currently no known workarounds.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-03T06:17:54.254Z

Reserved: 2022-04-13T00:00:00

Link: CVE-2022-29236

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-06-02T00:15:08.483

Modified: 2024-11-21T06:58:46.737

Link: CVE-2022-29236

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses