{
  "schema_version": "1.3.1",
  "id": "GO-2023-2394",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2023-50463",
    "GHSA-rxg9-hgq7-8pwx"
  ],
  "summary": "Spoofed source IP address in github.com/shift72/caddy-geo-ip",
  "details": "The caddy-geo-ip (aka GeoIP) middleware for Caddy 2 allows attackers to spoof their source IP address via an X-Forwarded-For header, which may bypass a protection mechanism (trusted_proxy directive in reverse_proxy or IP address range restrictions).",
  "affected": [
    {
      "package": {
        "name": "github.com/shift72/caddy-geo-ip",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/shift72/caddy-geo-ip"
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-50463"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/shift72/caddy-geo-ip/issues/4"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2023-2394",
    "review_status": "REVIEWED"
  }
}