CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
61.9%
PowerDNS Recursor is prone to multiple denial of service vulnerabilities.
# SPDX-FileCopyrightText: 2018 Greenbone AG
# 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-only
CPE = 'cpe:/a:powerdns:recursor';
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.141656");
script_version("2023-07-20T05:05:18+0000");
script_tag(name:"last_modification", value:"2023-07-20 05:05:18 +0000 (Thu, 20 Jul 2023)");
script_tag(name:"creation_date", value:"2018-11-07 09:59:29 +0700 (Wed, 07 Nov 2018)");
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_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-10-09 23:35:00 +0000 (Wed, 09 Oct 2019)");
script_cve_id("CVE-2018-14626", "CVE-2018-14644");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("PowerDNS Recursor Multiple DoS Vulnerabilities");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2018 Greenbone AG");
script_family("Denial of Service");
script_dependencies("pdns_version.nasl");
script_mandatory_keys("powerdns/recursor/installed");
script_tag(name:"summary", value:"PowerDNS Recursor is prone to multiple denial of service vulnerabilities.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"PowerDNS Recursor is prone to multiple denial of service vulnerabilities:
- Packet cache pollution via crafted query (CVE-2018-14626)
- Crafted query for meta-types can cause a denial of service (CVE-2018-14644)");
script_tag(name:"affected", value:"PowerDNS Recursor versions 4.0.0 until 4.1.4.");
script_tag(name:"solution", value:"Upgrade to version 4.0.9, 4.1.5 or later.");
script_xref(name:"URL", value:"https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-06.html");
script_xref(name:"URL", value:"https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-07.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_in_range(version: version, test_version: "4.0", test_version2: "4.0.8")) {
report = report_fixed_ver(installed_version: version, fixed_version: "4.0.9");
security_message(data: report, port: port, proto: proto);
exit(0);
}
if (version_in_range(version: version, test_version: "4.1", test_version2: "4.1.4")) {
report = report_fixed_ver(installed_version: version, fixed_version: "4.1.5");
security_message(data: report, port: port, proto: proto);
exit(0);
}
exit(0);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
61.9%