low3.1
CVE-2023-42804
BigBlueButton is an open-source virtual classroom.
Impact
BigBlueButton is an open-source virtual classroom. BigBlueButton prior to version 2.6.0-beta.1 has a path traversal vulnerability that allows an attacker with a valid starting folder path, to traverse and read other files without authentication, assuming the files have certain extensions (txt, swf, svg, png). In version 2.6.0-beta.1, input validation was added on the parameters being passed and dangerous characters are stripped. There are no known workarounds.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Bigbluebutton | Bigbluebutton | through 2.5.18 Version 2.6.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/bigbluebutton/bigbluebutton/pull/15960
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3qjg-229m-vq84
- https://github.com/bigbluebutton/bigbluebutton/pull/15960
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3qjg-229m-vq84