CVE-2022-31006: Uncontrolled Resource Consumption

indy-node is the server portion of Hyperledger Indy, a distributed ledger purpose-built for decentralized identity. In vulnerable versions of indy-node, an attacker can max out the number of client connections allowed by the ledger, leaving the ledger unable to be used for its intended purpose...

Hyperledger: DOS validator nodes of blockchain to block external connections

Attack was documented in the in the github repo: https://github.com/hyperledger/indy-node/security/advisories/GHSA-x996-7qh9-7ff7 Attack: The attacker sends 500 read requests to each node and opens a new one when holding 500 parallel connections. Every user is able to send read requests since it'...

Hyperledger: Relative Path Traversal vulnerability in fabric-private-chaincode

Unsanitized input from os.Args3 : 75 CLI argument flows into os.OpenFile, where it is used as a path. This may result in a Path Traversal vulnerability and allow an attacker to open arbitrary files. The following steps of code lines with respective code confirm the issue: -...

Denial Of Service (DoS)

github.com/hyperledger/fabric is vulnerable to denial of service DoS attacks. Lack of validations in getChannelAndChaincodeFromSignedProposal function may cause a peer node crash when a gateway client application sends a malformed request to a gateway peer...

CVE-2022-36023

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. If a gateway client application sends a malformed request to a gateway peer it may crash the peer node. Version 2.4.6 checks for the malformed gateway request and returns...

Design/Logic Flaw

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. If a gateway client application sends a malformed request to a gateway peer it may crash the peer node. Version 2.4.6 checks for the malformed gateway request and returns...

PT-2022-23122 · Unknown · Hyperledger Fabric

Name of the Vulnerable Software and Affected Versions: Hyperledger Fabric versions prior to 2.4.6 Description: Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. If a gateway client application sends a malformed request t...

CVE-2022-36023 Remote denial of service in Hyperledger Fabric Gateway

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. If a gateway client application sends a malformed request to a gateway peer it may crash the peer node. Version 2.4.6 checks for the malformed gateway request and returns...

CVE-2022-36023 Remote denial of service in Hyperledger Fabric Gateway

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. If a gateway client application sends a malformed request to a gateway peer it may crash the peer node. Version 2.4.6 checks for the malformed gateway request and returns...

CVE-2022-36023 Remote denial of service in Hyperledger Fabric Gateway

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. If a gateway client application sends a malformed request to a gateway peer it may crash the peer node. Version 2.4.6 checks for the malformed gateway request and returns...

Hyperledger Fabric 输入验证错误漏洞

Hyperledger Fabric is an enterprise licensed distributed ledger framework. It is used to develop solutions and applications. An input validation error vulnerability exists in Hyperledger Fabric gateway versions prior to 2.4.6, which stems from the possibility of crashing a peer node if the gatewa...

CVE-2022-36023: Improper Input Validation

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. If a gateway client application sends a malformed request to a gateway peer it may crash the peer node. Version 2.4.6 checks for the malformed gateway request and returns...

CVE-2022-36023

CVE-2022-36023 affects Hyperledger Fabric (gateway component). A malformed gateway request to a gateway peer can cause the peer to crash. The issue is addressed by upgrading to version 2.4.6, which implements input validation and returns an error to the gateway client instead of crashing. No publ...

Hyperledger: Cross Site Scripting Vulnerability in fabric-sdk-py source code

See this fix on GitHub https://github.com/hyperledger/fabric-sdk-py/pull/175 Impact Some old affected versions of this package are vulnerable to Cross-site Scripting XSS. Passing HTML from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods i.e. .html,...

Hyperledger: fix(security):Path Traversal Bug

Unsanitized input from CLI argument flows into io.ioutil.ReadFile, where it is used as a path. This may result in a Path Traversal vulnerability and allow an attacker to read arbitrary files. See this fix : https://github.com/hyperledger/fabric/pull/3573 Impact There is a path traversal...

Hyperledger: Insecure TLS Configuration #3530

An insecure configuration was reported; however, this configuration is set on purpose in test code. Please see the resolved conversation on GitHub...

Hyperledger: fix(cmd-socketio-server): mitigate cross site scripting attack #2068

Please refer this fix and approve Bounty. See this In Github Security Fix @ryjones https://github.com/hyperledger/cactus/pull/2068issuecomment-1186157206 Impact fixcmd-socketio-server: mitigate cross site scripting attack...

Hyperledger: Remote denial of service in HyperLedger Fabric

How to reproduce 1.Bring up the test network.https://hyperledger-fabric.readthedocs.io/en/latest/testnetwork.htmlbring-up-the-test-network 2.Run the PoC. bash go run poc.go -server=192.168.0.208:7051 go package main import "context" "crypto/tls" "flag" "fmt"...

Hyperledger: Fix : (Security) Mitigate Path Traversal Bug

Unsanitized input from arg0 argument flows into java.io.FileOutputStream, where it is used as a path. This may result in a Path Traversal vulnerability and allow an attacker to write to arbitrary files. Impact Being able to access and manipulate an arbitrary path leads to vulnerabilities when a...

Hyperledger Fabric vulnerable to Improper Input Validation in orderer/common/cluster consensus request

Impact If a consensus client sends a malformed consensus request to an orderer it may crash the orderer node. This fix checks for the malformed consensus request and returns an error to the consensus client. Specific Go Packages Affected github.com/hyperledger/fabric/orderer/common/cluster Patche...