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.
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.
References
- https://github.com/hyperledger/fabric/security/advisories/GHSA-72×4-cq6r-jp4p
- https://nvd.nist.gov/vuln/detail/CVE-2022-31121
- https://github.com/hyperledger/fabric/commit/0f18359493bcbd5f9f9d1a9b05adabfe5da23b06
- https://github.com/hyperledger/fabric/releases/tag/v2.2.7
- https://github.com/hyperledger/fabric/releases/tag/v2.4.5
- https://github.com/advisories/GHSA-72×4-cq6r-jp4p