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CVE-2024-38518

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CVE-2024-38518

Published: Jun 28, 2024

Modified: Aug 2, 2024

PUBLISHED

CVSS v3.1

4.6

MEDIUM

Description

BigBlueButton is an open-source virtual classroom designed to help teachers teach and learners learn. An attacker with a valid join link to a meeting can trick BigBlueButton into generating a signed join link with additional parameters. One of those parameters may be "role=moderator", allowing an attacker to join a meeting as moderator using a join link that was originally created for viewer access. This vulnerability has been patched in version(s) 2.6.18, 2.7.8 and 3.0.0-alpha.7.

VendorProductVersions

bigbluebutton

bigbluebutton

affected
< 2.6.18
affected
>= 2.7.0, < 2.7.8
affected
>= 2.8.0, < 3.0.0-alpha.7

Weaknesses (CWE)

CWE-284

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

References

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