Denial of Service Vulnerability in Hyperledger Fabric by Hyperledger
CVE-2022-45196

7.5HIGH

Key Information:

Vendor

Hyperledger

Status
Fabric
Vendor
CVE Published:
12 November 2022

What is CVE-2022-45196?

Hyperledger Fabric 2.3 contains a vulnerability that allows malicious actors to exploit the system by sending crafted channel transactions. This manipulation can lead to a denial of service, particularly causing the orderer component to crash. It is important to note that while the official Fabric with Raft provides safeguards against such attacks through a locking mechanism and checks for existing channel names, the vulnerability exists within the specified version.

References

https://github.com/SmartBFT-Go/fabric/issues/286
https://github.com/hyperledger/fabric/pull/2934

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.