CVE-2021-43669
High
Description
A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.0.1, v2.3.0. It can easily break down as many orderers as the attacker wants. This bug can be leveraged by constructing a message whose header is invalid to the interface Order. This bug has been admitted and fixed by the developers of Fabric.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Linuxfoundation Fabric
PublishedNov 18, 2021
First seenNov 18, 2021
How to fix
Update
- github.com/hyperledger/fabric2.4.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linuxfoundation fabric | 1.4.0, 2.0.0, 2.0.1, 2.3.0 | — |
| github.com/hyperledger/fabricGo | v < 2.4.0 | 2.4.0 |
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