Apache Struts Security Update (S2-056)

# Copyright (C) 2018 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:apache:struts";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.813062");
  script_version("2022-04-13T07:21:45+0000");
  script_cve_id("CVE-2018-1327");
  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:"2022-04-13 07:21:45 +0000 (Wed, 13 Apr 2022)");
  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:"2020-12-08 05:15:00 +0000 (Tue, 08 Dec 2020)");
  script_tag(name:"creation_date", value:"2018-04-02 16:08:37 +0530 (Mon, 02 Apr 2018)");
  script_name("Apache Struts Security Update (S2-056)");
  script_copyright("Copyright (C) 2018 Greenbone Networks GmbH");
  script_category(ACT_GATHER_INFO);
  script_family("Denial of Service");
  script_dependencies("gb_apache_struts_consolidation.nasl");
  script_mandatory_keys("apache/struts/detected");

  script_xref(name:"URL", value:"https://cwiki.apache.org/confluence/display/WW/S2-056");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/103516");
  script_xref(name:"Advisory-ID", value:"S2-056");

  script_tag(name:"summary", value:"Apache Struts 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 REST Plugin which is using XStream
  library which is vulnerable and allow to perform a DoS attack when using a malicious
  request with specially crafted XML payload.");

  script_tag(name:"impact", value:"Successful exploitation will allow attacker to perform
  a DoS attack when using a malicious request with specially crafted XML payload.");

  script_tag(name:"affected", value:"Apache Struts 2.1.1 through 2.5.14.1.");

  script_tag(name:"solution", value:"Update to version 2.5.16 or later.");

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

  exit(0);
}

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

vers = infos["version"];

if(version_in_range(version:vers, test_version:"2.1.1", test_version2:"2.5.14.1")) {
  report = report_fixed_ver(installed_version:vers, fixed_version:"2.5.16", install_path:infos["location"]);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);