{ "schema_version": "1.4.0", "id": "GHSA-jmw4-vrcr-pppg", "modified": "2022-05-14T03:13:26Z", "published": "2022-05-14T03:13:26Z", "aliases": [ "CVE-2018-3756" ], "details": "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.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-3756" }, { "type": "WEB", "url": "https://github.com/hyperledger/iroha/releases/tag/v1.0.0_beta-2" } ], "database_specific": { "cwe_ids": [ "CWE-347" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2018-06-01T19:29:00Z" } }