PT-2022-20501 · Unknown · Bigbluebutton

Danny De Weille + 1 · Published 2022-06-27 · Updated 2022-07-07 · CVE-2022-31064

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions BigBlueButton versions prior to 2.4.8 BigBlueButton versions prior to 2.5.0

Description BigBlueButton is an open source web conferencing system. Users in meetings with private chat enabled are vulnerable to a cross site scripting attack in affected versions. The attack occurs when the attacker starts a chat, and in the victim's client, the JavaScript will be executed.

Recommendations For versions prior to 2.4.8, update to version 2.4.8 or later to resolve the issue. For versions prior to 2.5.0, update to version 2.5.0 or later to resolve the issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2022-31064

GHSA-HWV2-5PF5-HR87

Affected Products

Bigbluebutton

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31064.json · Exploit
• 🔥 http://seclists.org/fulldisclosure/2022/Jun/52 · Exploit
• 🔥 https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton · Exploit
• 🔥 http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.html · Exploit
• https://github.com/bigbluebutton/bigbluebutton/pull/15067 · Patch
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87 · Patch
• https://github.com/bigbluebutton/bigbluebutton/pull/15090 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-31064 · Security Note
• https://osv.dev/vulnerability/CVE-2022-31064 · Vendor Advisory
• https://t.me/cibsecurity/45235 · Telegram Post
• https://t.me/defcon_news/100960 · Telegram Post
• https://t.me/cvenotify/32464 · Telegram Post
• https://t.me/cvenotify/32505 · Telegram Post
• https://t.me/cvenotify/32254 · Telegram Post