GeoServer Detection (HTTP)

# SPDX-FileCopyrightText: 2009 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.900945");
  script_version("2025-07-02T05:41:52+0000");
  script_tag(name:"last_modification", value:"2025-07-02 05:41:52 +0000 (Wed, 02 Jul 2025)");
  script_tag(name:"creation_date", value:"2009-09-22 10:03:41 +0200 (Tue, 22 Sep 2009)");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
  script_tag(name:"cvss_base", value:"0.0");

  script_tag(name:"qod_type", value:"remote_banner");

  script_name("GeoServer Detection (HTTP)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Product detection");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl",
                      "DDI_Directory_Scanner.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 8080);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"HTTP based detection of GeoServer.");

  script_add_preference(name:"GeoServer Web UI Username", value:"", type:"entry", id:1);
  script_add_preference(name:"GeoServer Web UI Password", value:"", type:"password", id:2);

  script_xref(name:"URL", value:"https://geoserver.org/");

  exit(0);
}

include("cpe.inc");
include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("list_array_func.inc");
include("misc_func.inc");
include("port_service_func.inc");

port = http_get_port(default: 8080);

foreach dir (make_list_unique("/", "/geoserver", http_cgi_dirs(port: port))) {
  install = dir;
  if (dir == "/")
    dir = "";

  url = dir + "/web/wicket/bookmarkable/org.geoserver.web.AboutGeoServerPage";

  res = http_get_cache(port: port, item: url);

  if (res =~ "^HTTP/1\.[01] 302") {
    # nb: Need to check both variants as it *might* depend on the server configuration
    current_dirs = make_list(install, dir + "/web/wicket/bookmarkable");
    foreach current_dir (current_dirs) {
      loc = http_extract_location_from_redirect(port: port, data: res, current_dir: current_dir);
      if (loc) {
        url = loc;
        res2 = http_get_cache(port: port, item: loc);
        if (res2 && res2 =~ "^HTTP/1\.[01] 200") {
          res = res2;
          break;
        }
      }
    }
  }

  if ("<title>GeoServer: About GeoServer" >!< res) {
    url = dir + "/web/?wicket:bookmarkablePage=:org.geoserver.web.AboutGeoServerPage";

    res = http_get_cache(port: port, item: url);

    if (res)
      cookie = http_get_cookie_from_header(buf: res, pattern: "(JSESSIONID=[^; ]+)");

    if ("<title>GeoServer" >!< res) {
      url = dir + "/welcome.do";

      res = http_get_cache(port: port, item: url);

      if ("My GeoServer" >!< res || "Welcome to GeoServer" >!< res) {

        url = dir + "/web/";

        if (!cookie) {
          continue;
        } else {
          headers = make_array("Cookie", cookie);

          req = http_get_req(port: port, url: url, add_headers: headers, referer_url: "geoserver/index.html");
          res = http_keepalive_send_recv(port: port, data: req);

          if (res !~ "^HTTP/1\.[01] 302")
            continue;

          url = dir + "/web/?1";

          req = http_get_req(port: port, url: url, add_headers: headers, referer_url: "geoserver/index.html");
          res = http_keepalive_send_recv(port: port, data: req);

          if ("About GeoServer" >!< res || "<title>GeoServer" >!< res)
            continue;
        }
      }
    }
  }

  version = "unknown";

  # <label for="version">GeoServer Version</label>
  # <span id="version">2.17.2</span>
  #
  # Versions might have RC or beta releases (e.g. 2.0.1-RC1 or 2.0.1-beta1)
  vers = eregmatch(pattern: 'id="version">([^<]+)<', string: res);
  if (isnull(vers[1])) {
    # Welcome to GeoServer 1.7.0
    vers = eregmatch(pattern: "Welcome to GeoServer ([0-9.]+(-[a-zA-Z]+[0-9]+)?)", string: res);
    if (isnull(vers[1])) {
      # This GeoServer instance is running version <strong>2.19.6</strong>
      vers = eregmatch(pattern: "This GeoServer instance is running version <strong>([0-9.]+)<", string: res);
    }
  }

  if (!isnull(vers[1])) {
    version = vers[1];
    concUrl = http_report_vuln_url(port: port, url: url, url_only: TRUE);
  } else {
    user = script_get_preference("GeoServer Web UI Username", id: 1);
    pass = script_get_preference("GeoServer Web UI Password", id: 2);

    if (!user && !pass) {
      extra += "  Note: No username and password for web authentication were provided. These could be provided for extended version extraction.";
    } else if (!user && pass) {
      extra += "  Note: Password for web authentication was provided but username is missing. Please provide both.";
    } else if (user && !pass) {
      extra += "  Note: Username for web authentication was provided but password is missing. Please provide both.";
    } else if (user && pass) {
      url = dir + "/rest/about/version.xml";

      creds = base64(str: user + ":" + pass);

      headers = make_array("Authorization", "Basic " + creds);

      req = http_get_req(port: port, url: url, add_headers: headers);
      res = http_keepalive_send_recv(port: port, data: req);

      if (res =~ "^HTTP/1\.[01] 200" && '<resource name="GeoServer">' >< res) {
        # <resource name="GeoServer">
        # <Build-Timestamp>18-Nov-2024 18:02</Build-Timestamp>
        # <Version>2.26.1</Version>
        #
        # or:
        # <resource name="GeoServer">
        # <Build-Timestamp>09-Jun-2025 09:15</Build-Timestamp>
        # <Version>2.28-SNAPSHOT</Version>
        #
        vers = eregmatch(pattern: '"GeoServer">[^>]+>[^>]+>[^>]+.([0-9.]+)[^<]*<', string: res);
        if (!isnull(vers[1])) {
          version = vers[1];
          concUrl = http_report_vuln_url(port: port, url: url, url_only: TRUE);
        }
      } else {
        extra += "  Note: Username and password were provided but authentication failed.";
      }
    }
  }

  if (!concUrl)
    concUrl = http_report_vuln_url(port: port, url: url, url_only: TRUE);

  set_kb_item(name: "geoserver/detected", value: TRUE);
  set_kb_item(name: "geoserver/http/detected", value: TRUE);

  cpe = build_cpe(value: tolower(version), exp: "^([0-9.]+)-?([a-zA-Z0-9]+)?", base: "cpe:/a:geoserver:geoserver:");
  if (!cpe)
    cpe = "cpe:/a:geoserver:geoserver";

  register_product(cpe: cpe, location: install, port: port, service: "www");

  log_message(data: build_detection_report(app: "GeoServer", version: version, install: install,
                                           cpe: cpe, concluded: vers[0], concludedUrl: concUrl, extra: extra),
              port: port);

  exit(0);
}

exit(0);