4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.8 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
29.5%
PowerDNS Authoritative Server is prone to an information disclosure vulnerability.
# Copyright (C) 2020 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:powerdns:authoritative_server";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.144705");
script_version("2021-08-12T06:00:50+0000");
script_tag(name:"last_modification", value:"2021-08-12 06:00:50 +0000 (Thu, 12 Aug 2021)");
script_tag(name:"creation_date", value:"2020-10-05 05:00:31 +0000 (Mon, 05 Oct 2020)");
script_tag(name:"cvss_base", value:"4.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:N/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-12-23 22:15:00 +0000 (Wed, 23 Dec 2020)");
script_cve_id("CVE-2020-17482");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("PowerDNS Authoritative Server Information Disclosure Vulnerability (2020-05)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
script_family("General");
script_dependencies("pdns_version.nasl");
script_mandatory_keys("powerdns/authoritative_server/installed");
script_tag(name:"summary", value:"PowerDNS Authoritative Server is prone to an information disclosure vulnerability.");
script_tag(name:"insight", value:"An issue has been found in PowerDNS Authoritative Server where an authorized
user with the ability to insert crafted records into a zone might be able to leak the content of uninitialized
memory. Such a user could be a customer inserting data via a control panel, or somebody with access to the REST
API. Crafted records cannot be inserted via AXFR.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"affected", value:"PowerDNS Authoritative prior to version 4.1.14, version 4.2.x prior to 4.2.3 and
version 4.3.0.");
script_tag(name:"solution", value:"Update to version 4.1.14, 4.2.3, 4.3.1 or later.");
script_xref(name:"URL", value:"https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-05.html");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if (!port = get_app_port(cpe: CPE))
exit(0);
if (!infos = get_app_version_and_proto(cpe: CPE, port: port))
exit(0);
version = infos["version"];
proto = infos["proto"];
if (version_is_less(version: version, test_version: "4.1.14")) {
report = report_fixed_ver(installed_version: version, fixed_version: "4.1.14");
security_message(data: report, port: port, proto: proto);
exit(0);
}
if (version_in_range(version: version, test_version: "4.2.0", test_version2: "4.2.2")) {
report = report_fixed_ver(installed_version: version, fixed_version: "4.2.3");
security_message(data: report, port: port, proto: proto);
exit(0);
}
if (version_is_equal(version: version, test_version: "4.3.0")) {
report = report_fixed_ver(installed_version: version, fixed_version: "4.3.1");
security_message(data: report, port: port, proto: proto);
exit(0);
}
exit(99);
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.8 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
29.5%