PT-2022-19484 · Unknown · Bigbluebutton

Juraj Somorovsky + 2 · Published 2022-06-01 · Updated 2024-03-08 · CVE-2022-29234

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions BigBlueButton versions 2.2 through 2.3.17 BigBlueButton versions 2.4.0

Description BigBlueButton is an open source web conferencing system. An attacker, who needs to be a participant in the meeting, could send messages to a locked chat within a 5-second grace period after the lock setting was changed.

Recommendations For BigBlueButton versions 2.2 through 2.3.17, update to version 2.3.18 to resolve the issue. For BigBlueButton version 2.4.0, update to version 2.4.1 to resolve the issue.

Exploit

Fix

Improper Authorization

Weakness Enumeration

CWE-285

Related Identifiers

CVE-2022-29234

GHSA-36VC-C338-6XJV

Affected Products

Bigbluebutton

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29234.json · Exploit
• https://github.com/bigbluebutton/bigbluebutton/pull/14265 · Patch
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-36vc-c338-6xjv · Patch
• https://github.com/bigbluebutton/bigbluebutton/pull/13850 · Patch
• https://osv.dev/vulnerability/CVE-2022-29234 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-29234 · Security Note
• https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18 · Note
• https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.1 · Note
• https://t.me/cvenotify/31354 · Telegram Post
• https://t.me/cibsecurity/43633 · Telegram Post
• https://t.me/cvenotify/73394 · Telegram Post
• https://t.me/cvenotify/30997 · Telegram Post