Discourse up to 2.7.11/2.8.0.beta9 _diagnostics denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Discourse up to 2.7.11/2.8.0.beta9. This vulnerability affects unknown code of the file /message-bus/_diagnostics. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2021-43850. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Discourse up to 2.7.11/2.8.0.beta9 and classified as problematic. Affected by this issue is an unknown code block of the file /message-bus/_diagnostics. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was presented 01/05/2022 as GHSA-59jr-pj65-qmvr. The advisory is available at github.com. This vulnerability is handled as CVE-2021-43850 since 11/16/2021. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 2.7.12 or 2.8.0.beta10 eliminates this vulnerability. Applying the patch 7a8ec129fb54f188b2da6588c9d24d3a36eb0d39 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.8
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 2.7.12/2.8.0.beta10
Patch: 7a8ec129fb54f188b2da6588c9d24d3a36eb0d39

Timelineinfo

11/16/2021 🔍
01/05/2022 +50 days 🔍
01/05/2022 +0 days 🔍
01/06/2022 +1 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-59jr-pj65-qmvr
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43850 (🔍)
GCVE (CVE): GCVE-0-2021-43850
GCVE (VulDB): GCVE-100-189698

Entryinfo

Created: 01/05/2022 03:52
Updated: 01/06/2022 15:04
Changes: 01/05/2022 03:52 (51), 01/06/2022 15:04 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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