10 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.9 High
AI Score
Confidence
High
0.067 Low
EPSS
Percentile
93.9%
A Remote Code Execution vulnerability exists in the PAN-OS DNS Proxy.
# Copyright (C) 2017 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:/o:paloaltonetworks:pan-os";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.106978");
script_version("2022-11-16T10:12:35+0000");
script_tag(name:"last_modification", value:"2022-11-16 10:12:35 +0000 (Wed, 16 Nov 2022)");
script_tag(name:"creation_date", value:"2017-07-21 11:50:18 +0700 (Fri, 21 Jul 2017)");
script_tag(name:"cvss_base", value:"10.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-02-17 16:15:00 +0000 (Mon, 17 Feb 2020)");
script_cve_id("CVE-2017-8390");
script_tag(name:"qod_type", value:"package");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Palo Alto PAN-OS DNS-Proxy RCE Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
script_family("Palo Alto PAN-OS Local Security Checks");
script_dependencies("gb_paloalto_panos_consolidation.nasl");
script_mandatory_keys("palo_alto_pan_os/version");
script_tag(name:"summary", value:"A Remote Code Execution vulnerability exists in the PAN-OS DNS Proxy.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"This issue affects customers who have DNS Proxy enabled in PAN-OS. This
issue affects both the Data and Management planes of the firewall. When DNS Proxy processes a specially crafted
fully qualified domain names (FQDN), it is possible to execute code on the firewall.");
script_tag(name:"impact", value:"Successful exploitation of this issue could allow an attacker to execute
code on the firewall.");
script_tag(name:"affected", value:"PAN-OS 6.1.17 and earlier, PAN-OS 7.0.15 and earlier, PAN-OS 7.1.9 and
earlier, PAN-OS 8.0.2 and earlier.");
script_tag(name:"solution", value:"Update to PAN-OS 6.1.18, PAN-OS 7.0.16, PAN-OS 7.1.10, PAN-OS 8.0.3 or
later.");
script_xref(name:"URL", value:"https://securityadvisories.paloaltonetworks.com/Home/Detail/89");
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: "6.1.18")) {
report = report_fixed_ver(installed_version: version, fixed_version: "6.1.18");
if (model)
report += '\nModel: ' + model;
security_message(port: 0, data: report);
exit(0);
}
if (version_in_range(version: version, test_version: "7.0", test_version2: "7.0.15")) {
report = report_fixed_ver(installed_version: version, fixed_version: "7.0.16");
if (model)
report += '\nModel: ' + model;
security_message(port: 0, data: report);
exit(0);
}
if (version_in_range(version: version, test_version: "7.1", test_version2: "7.1.9")) {
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_in_range(version: version, test_version: "8.0", test_version2: "8.0.2")) {
report = report_fixed_ver(installed_version: version, fixed_version: "8.0.3");
if (model)
report += '\nModel: ' + model;
security_message(port: 0, data: report);
exit(0);
}
exit(99);
10 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.9 High
AI Score
Confidence
High
0.067 Low
EPSS
Percentile
93.9%