CVE-2022-31121: Improper Input Validation in fabric hyperledger
First published: Thu Jul 07 2022(Updated: )
### 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.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/github.com/hyperledger/fabric | >=2.3.0<2.4.5 | 2.4.5 |
| go/github.com/hyperledger/fabric | <2.2.7 | 2.2.7 |
| Hyperledger Fabric | <2.2.7 | |
| Hyperledger Fabric | >=2.3.0<2.4.5 |
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Reference Links
- https://github.com/hyperledger/fabric/security/advisories/GHSA-72x4-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-72x4-cq6r-jp4p (Advisory)
Frequently Asked Questions
What is CVE-2022-31121?
CVE-2022-31121 is a vulnerability in Hyperledger Fabric that allows a consensus client to crash an orderer node by sending a malformed consensus request.
What is the impact of CVE-2022-31121?
The impact of CVE-2022-31121 is that it can cause the orderer node to crash if a malformed consensus request is sent to it.
Which versions of Hyperledger Fabric are affected by CVE-2022-31121?
Hyperledger Fabric versions between 2.3.0 and 2.4.5 are affected by CVE-2022-31121.
How can I fix CVE-2022-31121?
To fix CVE-2022-31121, update Hyperledger Fabric to version 2.4.5.
What is the severity of CVE-2022-31121?
The severity of CVE-2022-31121 is high, with a CVSS score of 7.5.
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