{
  "schema_version": "1.4.0",
  "id": "GHSA-fx83-72pw-c56f",
  "modified": "2024-04-04T02:43:29Z",
  "published": "2022-05-24T17:03:37Z",
  "aliases": [
    "CVE-2019-18802"
  ],
  "details": "An issue was discovered in Envoy 1.12.0. An untrusted remote client may send an HTTP header (such as Host) with whitespace after the header content. Envoy will treat \"header-value \" as a different string from \"header-value\" so for example with the Host header \"example.com \" one could bypass \"example.com\" matchers.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-356m-vhw2-wcm4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18802"
    },
    {
      "type": "WEB",
      "url": "https://blog.envoyproxy.io"
    },
    {
      "type": "WEB",
      "url": "https://github.com/envoyproxy/envoy/commits/master"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/forum/#!forum/envoy-users"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/forum/#%21forum/envoy-users"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00034.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [],
    "severity": "CRITICAL",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-12-13T13:15:00Z"
  }
}