CVE-2023-42804
30.10.2023, 19:15
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.
| Vendor | Product | Version |
|---|---|---|
| bigbluebutton | bigbluebutton | 𝑥 ≤ 2.5.18 |
| bigbluebutton | bigbluebutton | 2.6.0:alpha1 |
| bigbluebutton | bigbluebutton | 2.6.0:alpha2 |
| bigbluebutton | bigbluebutton | 2.6.0:alpha3 |
| bigbluebutton | bigbluebutton | 2.6.0:alpha4 |
𝑥
= Vulnerable software versions