Learn about CVE-2022-45196, a denial of service vulnerability in Hyperledger Fabric 2.3, allowing attackers to trigger an orderer crash. Find out the impact, technical details, and mitigation steps.
A denial of service vulnerability in Hyperledger Fabric 2.3 can lead to an orderer crash when attackers repeatedly send a crafted channel transaction with the same Channel name.
Understanding CVE-2022-45196
Hyperledger Fabric 2.3 vulnerability leading to denial of service.
What is CVE-2022-45196?
CVE-2022-45196 allows attackers to cause a denial of service (orderer crash) by sending a crafted channel transaction with the same Channel name.
The Impact of CVE-2022-45196
The vulnerability in Hyperledger Fabric 2.3 can be exploited to disrupt the orderer functionality, impacting system availability.
Technical Details of CVE-2022-45196
Overview of the technical aspects of the CVE.
Vulnerability Description
Attackers can trigger a denial of service by repeatedly sending a crafted channel transaction with the same Channel name in Hyperledger Fabric 2.3.
Affected Systems and Versions
Vendor and product details: n/a. Versions affected: n/a.
Exploitation Mechanism
By sending a crafted channel transaction with the same Channel name, attackers can crash the orderer component in Hyperledger Fabric 2.3.
Mitigation and Prevention
Measures to address the CVE-2022-45196 vulnerability.
Immediate Steps to Take
Regularly monitor and restrict access to the affected system. Stay informed about security updates from Hyperledger Fabric.
Long-Term Security Practices
Implement network segmentation and follow the principle of least privilege to limit the attack surface.
Patching and Updates
Apply relevant patches and updates released by Hyperledger Fabric to mitigate the vulnerability.