CVE-2022-35253
Hyperledger Fabric subject to Denial of Service via non-validated request
7.5
HIGH
CVSS 3.1
Description
A vulnerability exists in Hyperledger Fabric < 2.4 could allow an attacker to construct a non-validated request that could cause a denial of service attack. The peer gateway service tries to extract channel and chaincode information from the signed proposal, but it doesn't check the proposal fields for validity. Therefore a malformed proposal might end up crashing the peer service. This issue has been patched in 2.4.6. There are no known workarounds.
How to fix CVE-2022-35253
To remediate CVE-2022-35253, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.6 or later
Is CVE-2022-35253 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2022-35253.
Affected packages (1)
- from 0, < 2.4.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |