{
  "schema_version": "1.3.1",
  "id": "GO-2021-0077",
  "modified": "0001-01-01T00:00:00Z",
  "published": "2021-04-14T20:04:52Z",
  "aliases": [
    "CVE-2018-16886",
    "GHSA-h6xx-pmxh-3wgp"
  ],
  "summary": "Authentication bypass in go.etcd.io/etcd",
  "details": "A user can use a valid client certificate that contains a CommonName that matches a valid RBAC username to authenticate themselves as that user, despite lacking the required credentials. This may allow authentication bypass, but requires a certificate that is issued by a CA trusted by the server.",
  "affected": [
    {
      "package": {
        "name": "go.etcd.io/etcd",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.0-alpha.5.0.20190108173120-83c051b701d3"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "go.etcd.io/etcd/auth",
            "symbols": [
              "authStore.AuthInfoFromTLS"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/etcd-io/etcd/pull/10366"
    },
    {
      "type": "FIX",
      "url": "https://github.com/etcd-io/etcd/commit/bf9d0d8291dc71ecbfb2690612954e1a298154b2"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2021-0077"
  }
}