Palo Alto PAN-OS WGET Vulnerability

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_panos_pan_sa-2017_0016.nasl 12106 2018-10-26 06:33:36Z cfischer $
#
# Palo Alto PAN-OS WGET Vulnerability
#
# Authors:
# Christian Kuersteiner <[email protected]>
#
# Copyright:
# Copyright (c) 2017 Greenbone Networks GmbH
#
# 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:/o:paloaltonetworks:pan-os';

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.106827");
  script_version("$Revision: 12106 $");
  script_tag(name:"last_modification", value:"$Date: 2018-10-26 08:33:36 +0200 (Fri, 26 Oct 2018) $");
  script_tag(name:"creation_date", value:"2017-05-23 15:33:39 +0700 (Tue, 23 May 2017)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");

  script_cve_id("CVE-2016-4971");

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

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

  script_name("Palo Alto PAN-OS WGET Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("This script is Copyright (C) 2017 Greenbone Networks GmbH");
  script_family("Palo Alto PAN-OS Local Security Checks");
  script_dependencies("gb_palo_alto_panOS_version.nasl");
  script_mandatory_keys("palo_alto_pan_os/version");

  script_tag(name:"summary", value:"The wget library has been found to contain a vulnerability.");

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

  script_tag(name:"insight", value:"wget allows remote servers to write to arbitrary files by redirecting a
request from HTTP to a crafted FTP resource. Palo Alto Networks software makes use of the vulnerable library and
may be affected.");

  script_tag(name:"affected", value:"PAN-OS 6.1.16 and earlier, PAN-OS 7.0.14 and earlier, PAN-OS 7.1.9 and
earlier, PAN-OS 8.0.");

  script_tag(name:"solution", value:"Update to PAN-OS 6.1.17, PAN-OS 7.0.15, PAN-OS 7.1.10, PAN-OS 8.0.1 or
later.");

  script_xref(name:"URL", value:"https://securityadvisories.paloaltonetworks.com/Home/Detail/86");

  exit(0);
}

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

if (!version = get_app_version(cpe: CPE, nofork: TRUE))
  exit(0);

model = get_kb_item("palo_alto_pan_os/model");

if (version_is_less(version: version, test_version: "6.1.17")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "6.1.17");
  if (model)
    report += '\nModel:             ' + model;

  security_message(port: 0, data: report);
  exit(0);
}

if (version =~ "^7\.0") {
  if (version_is_less(version: version, test_version: "7.0.15")) {
    report = report_fixed_ver(installed_version: version, fixed_version: "7.0.15");
    if (model)
      report += '\nModel:             ' + model;

    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^7\.1") {
  if (version_is_less(version: version, test_version: "7.1.10")) {
    report = report_fixed_ver(installed_version: version, fixed_version: "7.1.10");
    if (model)
      report += '\nModel:             ' + model;

    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^8\.0") {
  if (version_is_less(version: version, test_version: "8.0.1")) {
    report = report_fixed_ver(installed_version: version, fixed_version: "8.0.1");
    if (model)
      report += '\nModel:             ' + model;

    security_message(port: 0, data: report);
    exit(0);
  }
}

exit(99);