WEBppliance ocw_login_username Parameter XSS

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(19781);
  script_version("1.20");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2005-3014");
  script_bugtraq_id(14836);

  script_name(english:"WEBppliance ocw_login_username Parameter XSS");

  script_set_attribute(attribute:"synopsis", value:
"The remote host contains a PHP script that is vulnerable to cross-site
scripting attacks.");
  script_set_attribute(attribute:"description", value:
"The remote host is running WEBppliance, a web hosting control panel
for Windows and Linux from Ensim. 

The installed version of WEBppliance is prone to cross-site scripting
attacks because it fails to sanitize user-supplied input to the
'ocw_login_username' parameter of the login script before using it in
dynamically-generated webpages.");
  # http://membres.lycos.fr/newnst/exploit/Ensim_Autentification_XSS_By_ConcorDHacK.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?79c902b9");
  script_set_attribute(attribute:"solution", value:
"Unknown at this time.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");

  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(20, 74, 79, 442, 629, 711, 712, 722, 725, 750, 751, 800, 801, 809, 811, 864, 900, 928, 931, 990);

  script_set_attribute(attribute:"vuln_publication_date", value:"2005/09/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/09/27");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ensim:webppliance");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_ATTACK);
  script_family(english:"CGI abuses : XSS");

  script_copyright(english:"This script is Copyright (C) 2005-2022 Tenable Network Security, Inc.");

  script_dependencies("http_version.nasl", "cross_site_scripting.nasl");
  script_require_ports("Services/www", 19638);

  exit(0);
}


include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("url_func.inc");

port = get_http_port(default:19638);
if (get_kb_item("www/"+port+"/generic_xss")) exit(0);


# A simple alert.
xss = '<script>alert("' + SCRIPT_NAME + '")</script>';
exss = urlencode(str:xss);


# Make sure the affected script exists.
w = http_send_recv3(method:"GET", item:"/webhost", port:port);
if (isnull(w)) exit(0);
res = w[2];


# If it looks like WEBppliance...
if (
  "Appliance Administrator Login" >< res &&
  "<INPUT type=text name=ocw_login_username" >< res
) {
  # Try to exploit the flaw.
  postdata = string(
    'ocw_login_username=">', exss, "&",
    "ocw_login_password=nessus"
  );
  w = http_send_recv3(method:"POST", item: "/webhost", port: port,
    content_type: "application/x-www-form-urlencoded",
    data: postdata);
  if (isnull(w)) exit(0);
  res = w[2];

  # There's a problem if we see our XSS.
  if (xss >< res) {
    security_warning(port);
    set_kb_item(name: 'www/'+port+'/XSS', value: TRUE);
    exit(0);
  }
}