{
  "schema_version": "1.4.0",
  "id": "GHSA-xwpq-mm7j-gvv6",
  "modified": "2022-05-14T03:05:47Z",
  "published": "2022-05-14T03:05:47Z",
  "aliases": [
    "CVE-2018-12435"
  ],
  "details": "Botan 2.5.0 through 2.6.0 before 2.7.0 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP, related to dsa/dsa.cpp, ec_group/ec_group.cpp, and ecdsa/ecdsa.cpp. 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:3.0/AV:L/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-2018-12435"
    },
    {
      "type": "WEB",
      "url": "https://github.com/randombit/botan/commit/48fc8df51d99f9d8ba251219367b3d629cc848e3"
    },
    {
      "type": "WEB",
      "url": "https://botan.randombit.net/security.html"
    },
    {
      "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"
  }
}