BigBlueButton Activity Duplication Causes Meeting ID Collision
CVE-2023-5543 Published on November 9, 2023
Moodle: duplicating a bigbluebutton activity assigns the same meeting id
When duplicating a BigBlueButton activity, the original meeting ID was also duplicated instead of using a new ID for the new activity. This could provide unintended access to the original meeting.
Vulnerability Analysis
CVE-2023-5543 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Timeline
Reported to Red Hat.
Made public. 6 days later.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2023-5543 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2023-5543
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.