Security Advisory

CVE-2023-42804

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-10-30 18:14:41

Last updated 2024-09-05 20:23:14

Assigner GitHub_M

State PUBLISHED

Description

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.

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