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

HIGH 7.5CVE-2022-31121 · BIT-hyperledger-fabric-orderer-2022-31121 · BIT-hyperledger-fabric-peer-2022-31121 · Published 07/07/2022 · updated 17/06/2026

Package	Affected versions	Patched versions
github.com/hyperledger/fabric Go	`≥ 2.3.0, < 2.4.5< 2.2.7`	`2.4.52.2.7`
fabric hyperledger	`≥ 2.3.0, < 2.4.5< 2.2.7`	`2.4.52.2.7`

Description

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

Credits

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

NVD description

Hyperledger Fabric is a permissioned distributed ledger framework. In affected versions if a consensus client sends a malformed consensus request to an orderer it may crash the orderer node. A fix has been added in commit 0f1835949 which checks for missing consensus messages and returns an error to the consensus client should the message be missing. Users are advised to upgrade to versions 2.2.7 or v2.4.5. There are no known workarounds for this issue.