3.3
LOW
CVE-2023-5543
BigBlueButton Meeting ID Duplicate Escalation Vulnerability
Description

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.

INFO

Published Date :

Nov. 9, 2023, 10:15 p.m.

Last Modified :

Nov. 18, 2023, 3:20 a.m.

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2023-5543 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-5543 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
2 Fedoraproject extra_packages_for_enterprise_linux
1 Moodle moodle
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-5543.

URL Resource
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77795 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2243442 Issue Tracking Patch Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=451584 Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Сканування за допомогою ПЗ Badmoodle системи дистанційного навчання ДУІТЗ

Updated: 3 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : June 19, 2024, 7:56 a.m. This repo has been linked 181 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-5543 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-5543 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 18, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77795 No Types Assigned http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77795 Patch
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2243442 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2243442 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://moodle.org/mod/forum/discuss.php?d=451584 No Types Assigned https://moodle.org/mod/forum/discuss.php?d=451584 Patch, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (excluding) 4.0.11 *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 4.1.0 up to (excluding) 4.1.6 *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 4.2.0 up to (excluding) 4.2.3
    Added CPE Configuration OR *cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
  • CVE Received by [email protected]

    Nov. 09, 2023

    Action Type Old Value New Value
    Added Description 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.
    Added Reference Fedora Project http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77795 [No types assigned]
    Added Reference Fedora Project https://bugzilla.redhat.com/show_bug.cgi?id=2243442 [No types assigned]
    Added Reference Fedora Project https://moodle.org/mod/forum/discuss.php?d=451584 [No types assigned]
    Added CWE Fedora Project CWE-284
    Added CVSS V3.1 Fedora Project AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-5543 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.12688

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability