Ruby on Rails Cross Site Request Forgery Vulnerability

# Copyright (C) 2010 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

CPE = "cpe:/a:rubyonrails:rails";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.901184");
  script_version("2022-05-02T09:35:37+0000");
  script_tag(name:"last_modification", value:"2022-05-02 09:35:37 +0000 (Mon, 02 May 2022)");
  script_tag(name:"creation_date", value:"2010-08-02 12:38:17 +0200 (Mon, 02 Aug 2010)");
  script_cve_id("CVE-2011-0447");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_name("Ruby on Rails Cross Site Request Forgery Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_rails_consolidation.nasl");
  script_mandatory_keys("rails/detected");

  script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2011/0343");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/46291");
  script_xref(name:"URL", value:"http://groups.google.com/group/rubyonrails-security/msg/365b8a23b76a6b4a?dmode=source&output=gplain");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to conduct cross site request
  forgery attacks by using combinations of browser plugins and HTTP redirections.");

  script_tag(name:"affected", value:"Ruby on Rails versions 2.1.x, 2.2.x, and 2.3.x before 2.3.11, and 3.x before 3.0.4.");

  script_tag(name:"insight", value:"The flaw is caused by input validation errors in the CSRF protection feature,
  which could allow attackers to conduct cross site request forgery attacks by using combinations of browser plugins
  and HTTP redirections.");

  script_tag(name:"solution", value:"Upgrade to Ruby on Rails version 3.0.4 or 2.3.11.");

  script_tag(name:"summary", value:"Ruby on Rails is prone to cross site request forgery vulnerabilities.");

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

  exit(0);
}

include( "version_func.inc" );
include( "host_details.inc" );

if( isnull( port = get_app_port( cpe: CPE ) ) )
  exit( 0 );

if( ! infos = get_app_version_and_location( cpe: CPE, port: port, exit_no_version: TRUE ) )
  exit( 0 );

version = infos["version"];
location = infos["location"];

if(version_in_range( version: version, test_version: "2.1", test_version2: "2.3.10" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "2.3.11", install_path: location );
  security_message( data: report, port: port );
  exit( 0 );
}

if( version_in_range( version: version, test_version: "3.0.0", test_version2: "3.0.3" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "3.0.4", install_path: location );
  security_message( data: report, port: port );
  exit( 0 );
}

exit( 99 );