Discourse up to 2.9.0.beta12 Chat Message denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Discourse up to 2.9.0.beta12. The affected element is an unknown function of the component Chat Message Handler. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2022-41921. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Discourse up to 2.9.0.beta12. This vulnerability affects an unknown part of the component Chat Message Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Discourse is an open-source discussion platform. Prior to version 2.9.0.beta13, users can post chat messages of an unlimited length, which can cause a denial of service for other users when posting huge amounts of text. Users should upgrade to version 2.9.0.beta13, where a limit has been introduced. No known workarounds are available.

The weakness was disclosed 11/28/2022 as GHSA-mfh7-6cv6-qccc. The advisory is available at github.com. This vulnerability was named CVE-2022-41921 since 09/30/2022. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 2.9.0.beta13 eliminates this vulnerability. Applying the patch 3de765c89524a526ce611e11468d758a471a933f 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.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

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

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 3.5
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: Denial of service
CWE: CWE-404
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Discourse 2.9.0.beta13
Patch: 3de765c89524a526ce611e11468d758a471a933f

Timelineinfo

09/30/2022 🔍
11/28/2022 +59 days 🔍
11/28/2022 +0 days 🔍
12/23/2022 +25 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-mfh7-6cv6-qccc
Status: Confirmed

CVE: CVE-2022-41921 (🔍)
GCVE (CVE): GCVE-0-2022-41921
GCVE (VulDB): GCVE-100-214462

Entryinfo

Created: 11/28/2022 20:45
Updated: 12/23/2022 19:57
Changes: 11/28/2022 20:45 (52), 12/23/2022 19:57 (11)
Complete: 🔍
Cache ID: 216::103

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