Information disclosure in Bigbluebutton
CVE-2022-29232
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.
Vulnerability class: Information Disclosure
EPSS: 0.010 (59.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Bigbluebutton — versions >= 2.2, < 2.3.9, 2.4, >= 2.4-alpha-1, < 2.4-beta-1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC, Release Notes)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2022-29232?
- CVE-2022-29232 is a medium-severity vulnerability in Bigbluebutton, classified under Information Disclosure. CVSS score: 6.5/10. Published 2022-06-01.
- How severe is CVE-2022-29232?
- Medium severity. CVSS v3 base score is 6.5 out of 10.