Apache Struts 2 struts2-showcase edit-person.action Persistent XSS

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

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

if (description)
{
  script_id(60096);
  script_version("1.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2012-1006");
  script_bugtraq_id(51902);
  script_xref(name:"EDB-ID", value:"18452");

  script_name(english:"Apache Struts 2 struts2-showcase edit-person.action Persistent XSS");

  script_set_attribute(attribute:"synopsis", value:
"A remote web application is affected by a persistent cross-site
scripting vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote web server hosts struts2-showcase, a demonstration
application for the Struts 2 framework. Input passed via the 'name'
and 'lastName' parameters to 'edit-person.action' is not properly
sanitized, which can allow for arbitrary HTML and script code to be
loaded onto the system and executed when a user visits
'list-people.action'.");
  script_set_attribute(attribute:"see_also", value:"http://secpod.org/blog/?p=450");
  # http://secpod.org/advisories/SecPod_Apache_Struts_Multiple_Parsistant_XSS_Vulns.txt
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d16eaf1b");
  script_set_attribute(attribute:"solution", value:
"Remove or restrict access to the Struts2-showcase application.");
  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:"true");
  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:"2012/02/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/07/23");

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

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

  script_copyright(english:"This script is Copyright (C) 2012-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("http_version.nasl", "webmirror.nasl");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80, 8080);

  exit(0);
}

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

port = get_http_port(default:8080);

# Loop through directories.
dirs = list_uniq(make_list("/struts-showcase", "/struts2-showcase", cgi_dirs()));
if (thorough_tests)
{
  struts_2x_versions = make_list(
    "2.3.4","2.3.3","2.3.1.2","2.3.1.1","2.3.1",
    "2.2.3.1","2.2.3","2.2.1.1","2.2.1","2.1.8.1",
    "2.1.8","2.1.6","2.0.14","2.0.12","2.0.11.2",
    "2.0.11.1","2.0.11","2.0.9","2.0.8","2.0.6"
  );

  foreach ver (struts_2x_versions)
    dirs = list_uniq(make_list(
      dirs, "/struts2-showcase-"+ver, "/struts-showcase-"+ver));
}

xss_string = "<script>alert('" + SCRIPT_NAME + '_' +rand_str()+ "');</script>";

verify_pages = make_list("/list-people.action", "/listPeople.action");

report_pages = make_list();
foreach dir (dirs)
{
  foreach verify_page (verify_pages)
  {
    verify_url = dir + "/person" + verify_page;
    res = http_send_recv3(
      method : "GET",
      port   : port,
      item   : verify_url,
      exit_on_fail : TRUE
    );

    if ("Struts Showcase" >< res[2] && "<title>All People</title>" >< res[2])
    {
      postdata =
        "person.name=" + xss_string + "&" +
        "person.lastName=nessus";

      if (verify_page == "/list-people.action")
        attack_page = "/new-person.action";
      else attack_page = "/newPerson.action";

      attack_url = dir + "/person" + attack_page;

      headers = make_array("Content-Type", "application/x-www-form-urlencoded");

      res = http_send_recv3(
        method : "POST",
        port   : port,
        item   : attack_url,
        add_headers : headers,
        data        : postdata,
        exit_on_fail: TRUE
      );

      # have to check person list page to verify exploit worked
      res = http_send_recv3(
        method : "GET",
        port   : port,
        item   : verify_url,
        exit_on_fail : TRUE
      );

      if ('>' + xss_string + '<' >< res[2])
      {
        report_pages = make_list(report_pages, build_url(port:port, qs:verify_url));
        output = strstr(res[2], xss_string);
        if (!thorough_tests) break;
      }
    }
  }
}

if (max_index(report_pages) > 0)
{
  security_report_v4(
    port       : port,
    severity   : SECURITY_WARNING,
    generic    : TRUE,
    line_limit : 5,
    xss        : TRUE,  # Sets XSS KB key
    request    : report_pages,
    output     : chomp(output)
  );
  exit(0);
}
else exit(0, 'No vulnerable applications were detected on the web server listening on port '+port+'.');