{
  "schema_version": "1.3.1",
  "id": "GO-2020-0049",
  "modified": "0001-01-01T00:00:00Z",
  "published": "2021-04-14T20:04:52Z",
  "aliases": [
    "CVE-2020-36564",
    "GHSA-5x84-q523-vvwr"
  ],
  "summary": "Improper input validation in github.com/justinas/nosurf",
  "details": "Due to improper validation of caller input, validation is silently disabled if the provided expected token is malformed, causing any user supplied token to be considered valid.",
  "affected": [
    {
      "package": {
        "name": "github.com/justinas/nosurf",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.1"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/justinas/nosurf",
            "symbols": [
              "CSRFHandler.ServeHTTP",
              "VerifyToken",
              "verifyToken"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/justinas/nosurf/pull/60"
    },
    {
      "type": "FIX",
      "url": "https://github.com/justinas/nosurf/commit/4d86df7a4affa1fa50ab39fb09aac56c3ce9c314"
    }
  ],
  "credits": [
    {
      "name": "@aeneasr"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2020-0049",
    "review_status": "REVIEWED"
  }
}