CVE-2023-43798
BigBlueButton Blind SSRF When Uploading Presentation (mitigation bypass)
Summary
BigBlueButton Blind SSRF When Uploading Presentation (mitigation bypass)
Original description
The description as published by the source.
BigBlueButton is an open-source virtual classroom. BigBlueButton prior to versions 2.6.12 and 2.7.0-rc.1 is vulnerable to Server-Side Request Forgery (SSRF). This issue is a bypass of CVE-2023-33176. A patch in versions 2.6.12 and 2.7.0-rc.1 disabled follow redirect at httpclient.execute since the software no longer has to follow it when using finalUrl. There are no known workarounds. We recommend upgrading to a patched version of BigBlueButton.
References
- advisory github.com
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com
- patch github.com