CVE-2023-42804 — BigBlueButton Path Traversal – Reading Certain File Extensions
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 f…
Published: 2023-10-30 · CVSS: 3.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7