CVE-2021-43667
Last modified
CVE-2021-43667 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.1.0. This bug can be leveraged by constructing a message whose payload is nil and sending this message with the method 'forwardToLeader'. EPSS estimates a 1.29% chance of exploitation in the next 30 days.
Description
A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.1.0. This bug can be leveraged by constructing a message whose payload is nil and sending this message with the method 'forwardToLeader'. This bug has been admitted and fixed by the developers of Fabric. If leveraged, any leader node will crash.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linuxfoundation | Fabric | 1.4.0 |
| Linuxfoundation | Fabric | 2.0.0 |
| Linuxfoundation | Fabric | 2.1.0 |
References
- https://github.com/hyperledger/fabric/pull/2844Patch, Third Party Advisory
- https://jira.hyperledger.org/browse/FAB-18529Exploit, Vendor Advisory
- https://github.com/hyperledger/fabric/pull/2844Patch, Third Party Advisory
- https://jira.hyperledger.org/browse/FAB-18529Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
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