CVE-2023-43798

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Summary

CVECVE-2023-43798
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-10-30 23:15:00 UTC
Updated2023-11-08 20:12:00 UTC
DescriptionBigBlueButton 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.

Risk And Classification

Problem Types: CWE-918

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Bigbluebutton Bigbluebutton All All All All
Application Bigbluebutton Bigbluebutton 2.7.0 alpha1 All All
Application Bigbluebutton Bigbluebutton 2.7.0 alpha2 All All
Application Bigbluebutton Bigbluebutton 2.7.0 alpha3 All All
Application Bigbluebutton Bigbluebutton 2.7.0 beta1 All All
Application Bigbluebutton Bigbluebutton 2.7.0 beta2 All All
Application Bigbluebutton Bigbluebutton 2.7.0 beta3 All All

References

ReferenceSourceLinkTags
Blind SSRF When Uploading Presentation · Advisory · bigbluebutton/bigbluebutton · GitHub MISC github.com
fix(sec): Getting wrong final URL (from redirect) on presentation upload by gustavotrott · Pull Request #18494 · bigbluebutton/bigbluebutton · GitHub MISC github.com
Blind SSRF When Uploading Presentation (mitigation bypass) · Advisory · bigbluebutton/bigbluebutton · GitHub MISC github.com
fix(sec) (2.6): Getting wrong final URL (from redirect) on presentation upload by gustavotrott · Pull Request #18580 · bigbluebutton/bigbluebutton · GitHub MISC github.com
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