CVE-2022-41964 BigBlueButton contains Response leaks in anonymous polls
A presenter in BigBlueButton can view individual responses in anonymous polls by subscribing to results before the poll starts, compromising user privacy.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-41964?
CVE-2022-41964 is a medium-severity vulnerability in bigbluebutton, published on 16 Dec 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
BigBlueButton is an open source web conferencing system. This vulnerability only affects release candidates of BigBlueButton 2.4. The attacker can start a subscription for poll results before starting an anonymous poll, and use this subscription to see individual responses in the anonymous poll. The attacker had to be a meeting presenter. This issue is patched in version 2.4.0. There are no workarounds.
Weakness: CWE-200
Which versions are affected by CVE-2022-41964?
It affects 1 product.
Products include Bigbluebutton Bigbluebutton.
How do I fix CVE-2022-41964?
No fix has been published for CVE-2022-41964 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-41964 being exploited?
There is no known exploitation of CVE-2022-41964 in the wild and no public exploit code.
Other vulnerabilities in bigbluebutton
Sources
Also known as GHSA-fgmj-rx7j-fqr4.