VULNERABILITY INTELLIGENCE

CVE-2018-3756

CVSS score7.5 HIGH
EPSS probability0.80%
CISA KEVNot currently listed
Published2018-06-01
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • CWE-347: Improper Verification of Cryptographic Signature

Primary references