Grandstream GXP IP Phone Detection (HTTP)

# SPDX-FileCopyrightText: 2012 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("1.3.6.1.4.1.25623.1.0.103594");
  script_version("2026-02-25T05:57:40+0000");
  script_tag(name:"last_modification", value:"2026-02-25 05:57:40 +0000 (Wed, 25 Feb 2026)");
  script_tag(name:"creation_date", value:"2012-10-26 11:15:41 +0200 (Fri, 26 Oct 2012)");
  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("Grandstream GXP IP Phone Detection (HTTP)");

  script_category(ACT_GATHER_INFO);
  script_family("Product detection");
  script_copyright("Copyright (C) 2012 Greenbone AG");
  script_dependencies("find_service.nasl", "httpver.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"HTTP based detection of Grandstream GXP IP phones.");

  exit(0);
}

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

port = http_get_port(default: 80);

url = "/cgi-bin/login";

banner = http_get_remote_headers(port: port, file: url);

# Server: Grandstream GXP1400
# Server: Grandstream GXP2010 1.1.6.27
# Server: Grandstream GXP1165
# Server: Grandstream GXP280 1.2.5.2
if (!banner || !concl = egrep(string: banner, pattern: "^[Ss]erver\s*:\s*Grandstream GXP", icase: FALSE)) {
  url = "/";

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

  if (res !~ "^HTTP/1\.[01] 200" || "<title>Loading Web Application</title>" >!< res)
    exit(0);

  url = "/cgi-bin/api.values.get";

  headers = make_array("Content-Type", "application/x-www-form-urlencoded");

  data = "request=68:phone_model";

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

  # { "response": "success", "body": { "68": "1.0.11.54", "phone_model": "GXP2140" } }
  if (res !~ "^HTTP/1\.[01] 200" || res !~ '"phone_model"\\s*:\\s*"GXP[0-9]')
    exit(0);
}

conclUrl = http_report_vuln_url(port: port, url: url, url_only: TRUE);

model = "unknown";
version = "unknown";

set_kb_item(name: "grandstream/gxp/detected", value: TRUE);
set_kb_item(name: "grandstream/gxp/http/port", value: port);

if (concl) {
  concluded = chomp(concl);

  vers = eregmatch(pattern: "[Ss]erver\s*:\s*Grandstream (GXP[^\r\n ]+)( ([0-9.]+))?", string: banner, icase: FALSE);
  if (!isnull(vers[1]))
    model = vers[1];

  if (!isnull(vers[3]))
    version = vers[3];
} else {
  body = http_extract_body_from_response(data: res);

  mod = eregmatch(pattern: '"phone_model"\\s*:\\s*"([^"]+)"', string: body);
  if (!isnull(mod[1])) {
    model = mod[1];
    concluded = chomp(body);
  }

  vers = eregmatch(pattern: '"68"\\s*:\\s*"([0-9.]+)"', string: body);
  if (!isnull(vers[1])) {
    version = vers[1];

    if (!concluded)
      concluded = chomp(body);
  }
}

set_kb_item(name: "grandstream/gxp/http/" + port + "/model", value: model);
set_kb_item(name: "grandstream/gxp/http/" + port + "/version", value: version);
set_kb_item(name: "grandstream/gxp/http/" + port + "/concludedUrl", value: conclUrl);
set_kb_item(name: "grandstream/gxp/http/" + port + "/concluded", value: concluded);

exit(0);