Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. Its modular and versatile design satisfies a broad range of industry use cases.
A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.0.1, v2.3.0. It can easily break down as many orderers as the attacker wants. This bug can be leveraged by constructing a message whose header is invalid to the interface Order. This bug has been admitted and fixed by the developers of Fabric.
CVE-2021-43669 - High Severity Vulnerability
Vulnerable Library - github.com/hyperledger/fabric-v1.4.1
Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. Its modular and versatile design satisfies a broad range of industry use cases.
Library home page: https://proxy.golang.org/github.com/hyperledger/fabric/@v/v1.4.1.zip
Path to dependency file: /chaincode/simple/go/go.mod
Path to vulnerable library: /chaincode/simple/go/go.mod,/chaincode/samplecc/go/go.mod,/chaincode/cmcc/go/go.mod
Dependency Hierarchy: - :x: **github.com/hyperledger/fabric-v1.4.1** (Vulnerable Library)
Found in base branch: main
Vulnerability Details
A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.0.1, v2.3.0. It can easily break down as many orderers as the attacker wants. This bug can be leveraged by constructing a message whose header is invalid to the interface Order. This bug has been admitted and fixed by the developers of Fabric.
Publish Date: 2021-11-18
URL: CVE-2021-43669
CVSS 3 Score Details (7.5)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43669
Release Date: 2021-11-18
Fix Resolution: v2.4.0-beta
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