Unrated severityNVD Advisory· Published Oct 30, 2023· Updated Sep 5, 2024
BigBlueButton Blind SSRF When Uploading Presentation (mitigation bypass)
CVE-2023-43798
Description
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.
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Affected products
2< 2.6.12, < 2.7.0-rc.1+ 1 more
- (no CPE)range: < 2.6.12, < 2.7.0-rc.1
- (no CPE)range: < 2.6.12
Patches
Vulnerability mechanics
References
4- github.com/bigbluebutton/bigbluebutton/pull/18494mitrex_refsource_MISC
- github.com/bigbluebutton/bigbluebutton/pull/18580mitrex_refsource_MISC
- github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3q22-hph2-cff7mitrex_refsource_MISC
- github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-h98v-2h8w-99c4mitrex_refsource_CONFIRM
News mentions
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