What is CVE-2022-29232?

CVE-2022-29232 is a vulnerability in BigBlueButton, an open source web conferencing system, that allows an attacker to obtain the content of public chat messages from different meetings on the server.

What versions of BigBlueButton are affected by CVE-2022-29232?

Versions 2.2 to 2.3.9 and versions 2.4-alpha1 to 2.4-alpha2 of BigBlueButton are affected by CVE-2022-29232.

How can an attacker exploit CVE-2022-29232?

An attacker can exploit CVE-2022-29232 by circumventing access controls to access the content of public chat messages from different meetings on the server.

What is the severity of CVE-2022-29232?

CVE-2022-29232 has a severity rating of medium with a CVSS score of 6.5.

How can I fix CVE-2022-29232?

To fix CVE-2022-29232, you should upgrade your BigBlueButton installation to version 2.3.9 or apply the necessary patches provided by the BigBlueButton project.

Vulnerability/
CVE-2022-29232

medium

6.5

CWE

200

1/6/2022

3/8/2024

CVE-2022-29232: Exposure of messages in BigBlueButton public chats

First published: Wed Jun 01 2022(Updated: )

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.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Bigbluebutton Bigbluebutton	>=2.2.0<2.3.9
Bigbluebutton Bigbluebutton	=2.4-alpha1
Bigbluebutton Bigbluebutton	=2.4-alpha2

Remedy

https://github.com/bigbluebutton/bigbluebutton/pull/12861

Remedy

https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3fqh-p4qr-vfm9

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Reference Links

Frequently Asked Questions

What is CVE-2022-29232?
CVE-2022-29232 is a vulnerability in BigBlueButton, an open source web conferencing system, that allows an attacker to obtain the content of public chat messages from different meetings on the server.
What versions of BigBlueButton are affected by CVE-2022-29232?
Versions 2.2 to 2.3.9 and versions 2.4-alpha1 to 2.4-alpha2 of BigBlueButton are affected by CVE-2022-29232.
How can an attacker exploit CVE-2022-29232?
An attacker can exploit CVE-2022-29232 by circumventing access controls to access the content of public chat messages from different meetings on the server.
What is the severity of CVE-2022-29232?
CVE-2022-29232 has a severity rating of medium with a CVSS score of 6.5.
How can I fix CVE-2022-29232?
To fix CVE-2022-29232, you should upgrade your BigBlueButton installation to version 2.3.9 or apply the necessary patches provided by the BigBlueButton project.

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