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EUVD-2024-37889 · Published Jun 28, 2024
BigBlueButton is an open-source virtual classroom designed to help teachers teach and learners learn. An attacker may be able to exploit the overly elevated file permissions in the /usr/local/bigbluebutton/core/vendor/bundle/ruby/2.7.0/gems/resque-2.6.0 directory with the goal of privilege escalation, potentially exposing sensitive information on the server. This issue has been patched in version(s) 2.6.18, 2.7.8 and 3.0.0-alpha.7.
Weaknesses
CWE-269
CVSS scores
- v3.13.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
MITRE ATT&CK
InferredWhere this vulnerability fits in an attack
Initial Access Privilege Escalation
References
- https://github.com/bigbluebutton/bigbluebutton/commit/04e916798b6b1f53f88513df3168f009b57b8f18
- https://github.com/bigbluebutton/bigbluebutton/commit/b9a46197ed924783f06a24381e923b3329b9c91a
- https://github.com/bigbluebutton/bigbluebutton/commit/f4502e4927609374f5356f824f5dac0101f9976a
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-5966-9hw8-q96q
Potentially impacted assets
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