Ruby on Rails Action Pack Denial of Service Vulnerability - Linux

# SPDX-FileCopyrightText: 2016 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

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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.809363");
  script_version("2024-02-15T05:05:40+0000");
  script_cve_id("CVE-2015-7581");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-08-08 15:43:00 +0000 (Thu, 08 Aug 2019)");
  script_tag(name:"creation_date", value:"2016-10-17 18:48:40 +0530 (Mon, 17 Oct 2016)");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_name("Ruby on Rails Action Pack Denial of Service Vulnerability - Linux");

  script_tag(name:"summary", value:"Ruby on Rails is prone to a denial of service (DoS) vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw is due to an error in
  'actionpack/lib/action_dispatch/routing/route_set.rb' script.");

  script_tag(name:"impact", value:"Successful exploitation will allow a remote
  attacker to cause a denial of service condition.");

  script_tag(name:"affected", value:"Ruby on Rails 4.x before 4.2.5.1 on Linux.");

  script_tag(name:"solution", value:"Upgrade to Ruby on Rails 4.2.5.1,
  or later.");

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

  script_xref(name:"URL", value:"http://www.openwall.com/lists/oss-security/2016/01/25/14");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/81677");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_rails_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("rails/detected", "Host/runs_unixoide");
  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"];

##nb: Beta versions not considered

if( version =~ "^(4\.)" )
{
  if( version_is_less( version: version, test_version: "4.2.5.1" ) )
  {
    report = report_fixed_ver( installed_version: version, fixed_version: "4.2.5.1", install_path: location );
    security_message( data: report, port: port );
    exit( 0 );
  }
}

exit( 99 );