CVE-2018-3756
High
Description
Hyperledger Iroha versions v1.0_beta and v1.0.0_beta-1 are vulnerable to transaction and block signature verification bypass in the transaction and block validator allowing a single node to sign a transaction and/or block multiple times, each with a random nonce, and have other validating nodes accept them as separate valid signatures.
SeverityHigh
CVSS7.5
Exploit probability—
ProductHyperledger Iroha
PublishedJun 1, 2018
First seenJun 1, 2018
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hyperledger iroha | 1.0, 1.0.0 | — |
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