3.3
CWE
284
Advisory Published
CVE Published
Updated

CVE-2023-5543: Moodle: duplicating a bigbluebutton activity assigns the same meeting id

First published: Thu Oct 12 2023(Updated: )

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.

Credit: patrick@puiterwijk.org

Affected SoftwareAffected VersionHow to fix
redhat/moodle<4.2.3
4.2.3
redhat/moodle<4.1.6
4.1.6
redhat/moodle<4.0.11
4.0.11
>=4.0.0<4.0.11
>=4.1.0<4.1.6
>=4.2.0<4.2.3
=7.0
=38

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Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID of this vulnerability is CVE-2023-5543.

  • What is the severity of CVE-2023-5543?

    The severity of CVE-2023-5543 is low with a severity value of 3.3.

  • How does CVE-2023-5543 affect Moodle?

    CVE-2023-5543 affects Moodle by allowing the duplicated BigBlueButton activity to have the same meeting ID as the original, potentially providing unintended access.

  • Which versions of Moodle are affected by CVE-2023-5543?

    Versions up to and exclusive of 4.0.11, 4.1.6, and 4.2.3 of Moodle are affected by CVE-2023-5543.

  • How can I fix CVE-2023-5543?

    To fix CVE-2023-5543, update Moodle to version 4.0.11, 4.1.6, or 4.2.3, depending on the branch you are using.

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