Apache Tomcat JK Connector (mod_jk) < 1.2.41 Authentication Bypass Vulnerability

# Copyright (C) 2015 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:mod_jk";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.805612");
  script_version("2022-04-14T06:42:08+0000");
  script_cve_id("CVE-2014-8111");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2022-04-14 06:42:08 +0000 (Thu, 14 Apr 2022)");
  script_tag(name:"creation_date", value:"2015-05-11 12:56:25 +0530 (Mon, 11 May 2015)");
  script_name("Apache Tomcat JK Connector (mod_jk) < 1.2.41 Authentication Bypass Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 Greenbone Networks GmbH");
  script_family("Web Servers");
  script_dependencies("gb_apache_mod_jk_http_detect.nasl");
  script_mandatory_keys("apache/mod_jk/detected");

  script_xref(name:"URL", value:"https://cxsecurity.com/cveshow/CVE-2014-8111");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/74265");
  script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1182591");

  script_tag(name:"summary", value:"Apache Tomcat JK Connector (mod_jk) is prone to an
  authentication bypass 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 triggered due to the incorrect handling of the
  JkMount and JkUnmount directives, which can lead to the exposure of a private artifact in a tree.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attacker to gain access
  to potentially sensitive information.");

  script_tag(name:"affected", value:"Apache Tomcat JK Connector (mod_jk) before 1.2.41.");

  script_tag(name:"solution", value:"Update to version 1.2.41 or later.");

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

  exit(0);
}

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

if (!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"];
path = infos["location"];

if (version_is_less_equal(version: version, test_version: "1.2.40")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "1.2.41", install_path: path);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);