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Vulnerability CVE-2023-42804
Published: 2023-10-30
| 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. |
Type:
CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))
References: |
https://github.com/bigbluebutton/bigbluebutton/pull/15960
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3qjg-229m-vq84
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