HyperLedger Fabric 1.4.0/2.0.0/2.1.0 Messages forwardToLeader denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in HyperLedger Fabric 1.4.0/2.0.0/2.1.0. Affected by this vulnerability is the function forwardToLeader of the component Messages Handler. The manipulation leads to denial of service. This vulnerability is listed as CVE-2021-43667. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in HyperLedger Fabric 1.4.0/2.0.0/2.1.0. This issue affects the function forwardToLeader of the component Messages Handler. 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 11/18/2021. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-43667 since 11/15/2021. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

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

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: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

11/15/2021 🔍
11/18/2021 +3 days 🔍
11/18/2021 +0 days 🔍
11/22/2021 +4 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-43667 (🔍)
GCVE (CVE): GCVE-0-2021-43667
GCVE (VulDB): GCVE-100-186923

Entryinfo

Created: 11/18/2021 20:24
Updated: 11/22/2021 08:26
Changes: 11/18/2021 20:24 (39), 11/22/2021 08:22 (1), 11/22/2021 08:26 (1)
Complete: 🔍
Cache ID: 216::103

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