{
  "schema_version": "1.3.1",
  "id": "GO-2020-0008",
  "modified": "0001-01-01T00:00:00Z",
  "published": "2021-04-14T20:04:52Z",
  "aliases": [
    "CVE-2019-19794",
    "GHSA-44r7-7p62-q3fr"
  ],
  "summary": "Insecure generation of random numbers in github.com/miekg/dns",
  "details": "DNS message transaction IDs are generated using math/rand which makes them relatively predictable. This reduces the complexity of response spoofing attacks against DNS clients.",
  "affected": [
    {
      "package": {
        "name": "github.com/miekg/dns",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.25-0.20191211073109-8ebf2e419df7"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/miekg/dns",
            "symbols": [
              "Msg.SetAxfr",
              "Msg.SetIxfr",
              "Msg.SetNotify",
              "Msg.SetQuestion",
              "Msg.SetUpdate",
              "id"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/miekg/dns/pull/1044"
    },
    {
      "type": "FIX",
      "url": "https://github.com/miekg/dns/commit/8ebf2e419df7857ac8919baa05248789a8ffbf33"
    },
    {
      "type": "WEB",
      "url": "https://github.com/miekg/dns/issues/1037"
    },
    {
      "type": "WEB",
      "url": "https://github.com/miekg/dns/issues/1043"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2020-0008"
  }
}