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HIGH7.5

GHSA-72x4-cq6r-jp4p

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

Quick fix

GHSA-72x4-cq6r-jp4p — github.com/hyperledger/fabric: upgrade to the fixed version with the command below.

go get github.com/hyperledger/fabric@v2.2.7

Details

### 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

### Patches Fixed in v2.2.7 and v2.4.5.

### Workarounds None, users must upgrade to v2.2.7 or v2.4.5.

### References https://github.com/hyperledger/fabric/releases/tag/v2.2.7 https://github.com/hyperledger/fabric/releases/tag/v2.4.5

### For more information If you have any questions or comments about this advisory: * Open an issue in [Hyperledger Fabric repository](https://github.com/hyperledger/fabric/issues)

### Credits Thank you to Haosheng Wang of OPPO ZIWU Security Lab for this disclosure.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/hyperledger/fabric
Introduced in: 0Fixed in: 2.2.7
Fixgo get github.com/hyperledger/fabric@v2.2.7
Go/github.com/hyperledger/fabric
Introduced in: 2.3.0Fixed in: 2.4.5
Fixgo get github.com/hyperledger/fabric@v2.4.5

References