Apache Tomcat 5.5.x < 5.5.35, 7.0.x < 7.0.23 DoS Vulnerability - Linux

# Copyright (C) 2021 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:tomcat";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.147034");
  script_version("2021-10-29T11:49:32+0000");
  script_tag(name:"last_modification", value:"2021-10-29 11:49:32 +0000 (Fri, 29 Oct 2021)");
  script_tag(name:"creation_date", value:"2021-10-29 10:42:46 +0000 (Fri, 29 Oct 2021)");
  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_cve_id("CVE-2012-0022");

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

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

  script_name("Apache Tomcat 5.5.x < 5.5.35, 7.0.x < 7.0.23 DoS Vulnerability - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("Web Servers");
  script_dependencies("gb_apache_tomcat_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("apache/tomcat/detected", "Host/runs_unixoide");

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

  script_tag(name:"insight", value:"Apache Tomcat uses an inefficient approach for handling
  parameters, which allows remote attackers to cause a denial of service (CPU consumption) via a
  request that contains many parameters and parameter values, a different vulnerability than
  CVE-2011-4858.");

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

  script_tag(name:"affected", value:"Apache Tomcat version 5.5.x through 5.5.34 and 7.0.x through
  7.0.22.");

  script_tag(name:"solution", value:"Update to version 5.5.35, 7.0.23 or later.");

  script_xref(name:"URL", value:"https://tomcat.apache.org/security-5.html");
  script_xref(name:"URL", value:"https://tomcat.apache.org/security-7.html");

  exit(0);
}

include("host_details.inc");
include("revisions-lib.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);

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

if (version_in_range(version: version, test_version: "5.5.0", test_version2: "5.5.34")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.5.35", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "7.0.0", test_version2: "7.0.22")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.0.23", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);