BigBlueButton Greenlight up to 2.12.5 Room Setting privileges management

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

A vulnerability classified as critical was found in BigBlueButton Greenlight up to 2.12.5. This vulnerability affects an unknown part of the component Room Setting Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality. CVE summarizes:

Greenlight is a simple front-end interface for your BigBlueButton server. In affected versions an attacker can view any room's settings even though they are not authorized to do so. Only the room owner and administrator should be able to view a room's settings. This issue has been patched in release version 2.12.6.

The weakness was published 06/28/2022 as GHSA-phh8-3v6v-7498. The advisory is available at github.com. This vulnerability was named CVE-2022-31039 since 05/18/2022. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 2.12.6 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Similar entries are available at VDB-201264, VDB-262040 and VDB-262041.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Greenlight 2.12.6
Patch: github.com

Timelineinfo

05/18/2022 🔍
06/28/2022 +41 days 🔍
06/28/2022 +0 days 🔍
07/16/2022 +18 days 🔍

Sourcesinfo

Advisory: GHSA-phh8-3v6v-7498
Status: Confirmed

CVE: CVE-2022-31039 (🔍)
See also: 🔍

Entryinfo

Created: 06/28/2022 08:28 AM
Updated: 07/16/2022 08:56 AM
Changes: 06/28/2022 08:28 AM (33), 06/28/2022 08:29 AM (19), 07/16/2022 08:56 AM (18)
Complete: 🔍
Cache ID: 98:84C:40

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