CVE-2022-45196 json
Hyperledger Fabric 2.3 allows attackers to cause a denial of service (orderer crash) by repeatedly sending a crafted channel tx with the sa…
published 2022-11-12 3 y ago modified 2026-09-08 2 mo ago also BIT-hyperledger-fabric-orderer-2022-45196 , BIT-hyperledger-fabric-peer-2022-45196 , BIT-hyperledger-fabric-tools-2022-45196 , EUVD-2022-0123
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- bitnami hyperledger-fabric-orderer 2.3.1
- bitnami hyperledger-fabric-peer 2.3.1
- bitnami hyperledger-fabric-tools 2.3.1
- github.com/hyperledger/fabric#2934 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.87% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/SmartBFT-Go/fabric/issues/286 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | hyperledger-fabric-orderer | >=2.3.0, <2.3.1 |
2.3.1 |
| bitnami | hyperledger-fabric-peer | >=2.3.0, <2.3.1 |
2.3.1 |
| bitnami | hyperledger-fabric-tools | >=2.3.0, <2.3.1 |
2.3.1 |
Classification
- Weakness
-
- CWE-670 Always-Incorrect Control Flow Implementation
References
-
github.com
/hyperledger/fabric/pull/2934
patch, third-party-advisory, advisory
-
github.com
/SmartBFT-Go/fabric/issues/286
exploit, issue-tracking, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2022-45196
web
Sources
- CVE List CVE-2022-45196
- NVD CVE-2022-45196
- OSV BIT-hyperledger-fabric-orderer-2022-45196
- OSV BIT-hyperledger-fabric-peer-2022-45196
- OSV BIT-hyperledger-fabric-tools-2022-45196
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.