Denial of Service Vulnerability in Hyperledger Fabric 2.3: Orderer Crash via Crafted Channel TX

Denial of Service Vulnerability in Hyperledger Fabric 2.3: Orderer Crash via Crafted Channel TX

CVE-2022-45196 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

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