{
  "schema_version": "1.3.1",
  "id": "GO-2023-2052",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2023-41338",
    "GHSA-3q5p-3558-364f"
  ],
  "summary": "IsFromLocal local address check can be circumvented in github.com/gofiber/fiber/v2",
  "details": "The Ctx.IsFromLocal function can incorrectly report a request as being sent from localhost when the request contains an X-Forwarded-For header containing a localhost IP address.",
  "affected": [
    {
      "package": {
        "name": "github.com/gofiber/fiber/v2",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.49.2-0.20230906112033-b8c9ede6efa2"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/gofiber/fiber/v2",
            "symbols": [
              "Ctx.IsFromLocal",
              "Ctx.isLocalHost"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/gofiber/fiber/security/advisories/GHSA-3q5p-3558-364f"
    },
    {
      "type": "FIX",
      "url": "https://github.com/gofiber/fiber/commit/b8c9ede6efa231116c4bd8bb9d5e03eac1cb76dc"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2023-2052"
  }
}