BigBlueButton up to 2.3.17/2.4.0 Chat Message improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in BigBlueButton up to 2.3.17/2.4.0 and classified as critical. This affects an unknown function of the component Chat Message Handler. The manipulation leads to improper authorization. This vulnerability is referenced as CVE-2022-29234. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in BigBlueButton up to 2.3.17/2.4.0. This issue affects an unknown part of the component Chat Message Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is integrity, and availability.

The weakness was published 06/02/2022 as GHSA-36vc-c338-6xjv. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-29234 since 04/13/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 2.3.18 or 2.4.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. 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 patching the affected component.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: BigBlueButton 2.3.18/2.4.1
Patch: github.com

Timelineinfo

04/13/2022 🔍
06/02/2022 +50 days 🔍
06/02/2022 +0 days 🔍
06/04/2022 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-36vc-c338-6xjv
Status: Confirmed

CVE: CVE-2022-29234 (🔍)
GCVE (CVE): GCVE-0-2022-29234
GCVE (VulDB): GCVE-100-200945

Entryinfo

Created: 06/02/2022 09:30
Updated: 06/04/2022 13:11
Changes: 06/02/2022 09:30 (51), 06/04/2022 13:11 (1)
Complete: 🔍
Cache ID: 216::103

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