Zabbix WEB Interface / Frontend 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("1.3.6.1.4.1.25623.1.0.100405");
  script_version("2025-12-03T05:40:19+0000");
  script_tag(name:"last_modification", value:"2025-12-03 05:40:19 +0000 (Wed, 03 Dec 2025)");
  script_tag(name:"creation_date", value:"2009-12-17 19:46:08 +0100 (Thu, 17 Dec 2009)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");

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

  script_name("Zabbix WEB Interface / Frontend 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", "gb_php_http_detect.nasl",
                      "global_settings.nasl");
  script_require_ports("Services/www", 443);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"HTTP based detection of the Zabbix WEB Interface / Frontend.");

  script_xref(name:"URL", value:"https://www.zabbix.com/");

  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("os_func.inc");
include("port_service_func.inc");

port = http_get_port(default: 443);

if (!http_can_host_php(port: port))
  exit(0);

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

  url = dir + "/index.php";

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

  if ((egrep(pattern: "index\.php\?login=1", string: res, icase: FALSE) &&
       egrep(pattern: "SIA Zabbix", string: res)) ||
     (res =~ "<title>[^<]*Zabbix</title>" && "Zabbix SIA" >< res)) {
    version = "unknown";
    conclUrl = http_report_vuln_url(port: port, url: url, url_only: TRUE);

    vers = eregmatch(string: res, pattern: "Zabbix[&nbsp; ]+([0-9.]+)", icase: TRUE);
    if (isnull(vers[1])) {
      url = dir + "/api_jsonrpc.php";
      headers = make_array("Content-Type", "application/json-rpc");
      data = '{"jsonrpc":"2.0","method":"apiinfo.version","params":{},"id":1}';

      req = http_post_put_req(port: port, url: url, data: data, add_headers: headers);
      res = http_keepalive_send_recv(port: port, data: req);
      # {"jsonrpc":"2.0","result":"6.0.0","id":1}
      vers = eregmatch(pattern: '"result"\\s*:\\s*"([0-9a-z.]+)"', string: res);
      if (isnull(vers[1])) {
        vers = eregmatch(string: res, pattern: "jsLoader\.php\?ver=([0-9.]+)");
        if (isnull(vers[1])) {
          # href="https://www.zabbix.com/documentation/5.4/
          # Note: This is just the major version
          vers = eregmatch(pattern: "www\.zabbix\.com/documentation/([0-9.]+)/", string: res);
        }
      } else {
        conclUrl = http_report_vuln_url(port: port, url: url, url_only: TRUE);
      }
    }

    if (!isnull(vers[1]))
      version = vers[1];

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

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

    os_register_and_report(os: "Linux", cpe: "cpe:/o:linux:kernel", desc: "Zabbix Detection (HTTP)",
                           runs_key: "unixoide");

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

    log_message(data: build_detection_report(app: "Zabbix WEB Interface / Frontend", version: version, install: install, cpe: cpe,
                                             concluded: vers[0], concludedUrl: conclUrl),
                port: port);
    exit(0);
  }
}

exit(0);