CVE-2022-31121 Improper Input Validation in fabric hyperledger
A malformed consensus request can crash the orderer node in Hyperledger Fabric, requiring an upgrade to restore service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-31121?
CVE-2022-31121 is a high-severity denial of service vulnerability in hyperledger fabric, published on 7 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2022-31121?
7 open source packages ship an affected version, including github.com/hyperledger/fabric, hyperledger-fabric-orderer and hyperledger-fabric-peer. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/hyperledger/fabric Go | All versions | 2.2.7 |
github.com/hyperledger/fabric Go | All versions | 2.2.7 |
github.com/hyperledger/fabric Go | From 2.3.0 | 2.4.5 |
github.com/hyperledger/fabric Go | From 2.3.0 | 2.4.5 |
hyperledger-fabric-orderer Bitnami | All versions | 2.2.7, 2.4.5 |
hyperledger-fabric-peer Bitnami | All versions | 2.2.7, 2.4.5 |
1 more packages
hyperledger-fabric-tools Bitnami | All versions | 2.2.7, 2.4.5 |
Products include Hyperledger Fabric.
How do I fix CVE-2022-31121?
Upgrade github.com/hyperledger/fabric to a fixed version for your release line: 2.2.7 or 2.4.5.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-31121 being exploited?
There is no known exploitation of CVE-2022-31121 in the wild and no public exploit code.
Other vulnerabilities in hyperledger fabric
- CVE-2026-41586 ObjectInputStream.readObject() without ObjectInputFilter in fabric-sdk-java allows Java deserialization RCE
- CVE-2022-45196 Denial of service in n/a
- CVE-2023-46132 Crosslinking transaction attack in hyperledger/fabric
- CVE-2022-36023 Remote denial of service in Hyperledger Fabric Gateway
- CVE-2024-45244 Hyperledger Fabric does not verify request has a timestamp within the expected time window
Sources
Also known as BIT-hyperledger-fabric-orderer-2022-31121, BIT-hyperledger-fabric-peer-2022-31121, BIT-hyperledger-fabric-tools-2022-31121, GHSA-72x4-cq6r-jp4p.