{ "schema_version": "1.4.0", "id": "GHSA-6xrq-423r-vrcg", "modified": "2022-05-13T01:11:27Z", "published": "2022-05-13T01:11:27Z", "aliases": [ "CVE-2018-12438" ], "details": "The Elliptic Curve Cryptography library (aka sunec or libsunec) allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-12438" }, { "type": "WEB", "url": "https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem" } ], "database_specific": { "cwe_ids": [ "CWE-200" ], "severity": "MODERATE", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2018-06-15T02:29:00Z" } }