{
  "schema_version": "1.4.0",
  "id": "GHSA-rxg9-hgq7-8pwx",
  "modified": "2023-12-13T21:34:15Z",
  "published": "2023-12-11T00:30:32Z",
  "aliases": [
    "CVE-2023-50463"
  ],
  "summary": "Header spoofing in caddy-geo-ip",
  "details": "The caddy-geo-ip (aka GeoIP) middleware through 0.6.0 for Caddy 2, when trust_header X-Forwarded-For is used, 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).",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/shift72/caddy-geo-ip"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.6.0"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-50463"
    },
    {
      "type": "WEB",
      "url": "https://github.com/shift72/caddy-geo-ip/issues/4"
    },
    {
      "type": "WEB",
      "url": "https://caddyserver.com/v2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/shift72/caddy-geo-ip/tags"
    },
    {
      "type": "PACKAGE",
      "url": "github.com/shift72/caddy-geo-ip"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-290"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2023-12-11T21:46:50Z",
    "nvd_published_at": "2023-12-10T23:15:07Z"
  }
}