CVE-2022-45196 Denial of service in n/a
Attackers can crash the Hyperledger Fabric orderer by repeatedly sending crafted channel transactions with duplicate names, causing a denial of 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-2022-45196?
CVE-2022-45196 is a high-severity denial of service vulnerability in n/a, published on 12 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Hyperledger Fabric 2.3 allows attackers to cause a denial of service (orderer crash) by repeatedly sending a crafted channel tx with the same Channel name. NOTE: the official Fabric with Raft prevents exploitation via a locking mechanism and a check for names that already exist.
Weakness: CWE-670
Which versions are affected by CVE-2022-45196?
3 open source packages ship an affected version, including hyperledger-fabric-orderer, hyperledger-fabric-peer and hyperledger-fabric-tools. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
hyperledger-fabric-orderer Bitnami | From 2.3.0 | 2.3.1 |
hyperledger-fabric-peer Bitnami | From 2.3.0 | 2.3.1 |
hyperledger-fabric-tools Bitnami | From 2.3.0 | 2.3.1 |
Products include Hyperledger Fabric.
How do I fix CVE-2022-45196?
Upgrade hyperledger-fabric-orderer to 2.3.1 or later.
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-2022-45196 being exploited?
There is no known exploitation of CVE-2022-45196 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2026-41586 ObjectInputStream.readObject() without ObjectInputFilter in fabric-sdk-java allows Java deserialization RCE
- CVE-2022-31121 Improper Input Validation in fabric hyperledger
- 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-2022-45196, BIT-hyperledger-fabric-peer-2022-45196, BIT-hyperledger-fabric-tools-2022-45196, GHSA-wp68-67c6-87fh.