7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
6.1 Medium
AI Score
Confidence
Low
0.045 Low
EPSS
Percentile
92.5%
PowerDNS Authoritative (Auth) Server is prone to a denial of service (DoS) vulnerability.
# SPDX-FileCopyrightText: 2017 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:authoritative_server";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.809859");
script_version("2024-02-15T05:05:40+0000");
script_cve_id("CVE-2015-1868", "CVE-2015-5470");
script_tag(name:"cvss_base", value:"7.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
script_tag(name:"creation_date", value:"2017-01-04 15:20:12 +0530 (Wed, 04 Jan 2017)");
script_name("PowerDNS Authoritative (Auth) Server Denial of Service Vulnerability - Linux");
script_tag(name:"summary", value:"PowerDNS Authoritative (Auth) Server is prone to a denial of service (DoS) vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw exists due to an error in the
handling of DNS packets by label decompression functionality.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to cause the target service to crash or consume excessive CPU resource.");
script_tag(name:"affected", value:"PowerDNS Authoritative (Auth) Server 3.2.x,
3.3.x before 3.3.3, and 3.4.x before 3.4.5 on Linux");
script_tag(name:"solution", value:"Upgrade to PowerDNS Authoritative (Auth) Server
3.3.3, or 3.4.5 or later.");
script_xref(name:"URL", value:"http://www.securitytracker.com/id/1032220");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/74306");
script_xref(name:"URL", value:"https://doc.powerdns.com/md/security/powerdns-advisory-2015-01");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_copyright("Copyright (C) 2017 Greenbone AG");
script_category(ACT_GATHER_INFO);
script_family("Denial of Service");
script_dependencies("pdns_version.nasl", "os_detection.nasl");
script_mandatory_keys("powerdns/authoritative_server/installed", "Host/runs_unixoide");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if(!dnsPort = get_app_port(cpe:CPE)){
exit(0);
}
if(!infos = get_app_version_and_proto(cpe:CPE, port:dnsPort)){
exit(0);
}
version = infos["version"];
proto = infos["proto"];
if(version_in_range(version:version, test_version:"3.2.0", test_version2:"3.3.2"))
{
fix = "3.3.3";
VULN = TRUE;
}
else if(version_in_range(version:version, test_version:"3.4.0", test_version2:"3.4.4"))
{
fix = "3.4.5";
VULN = TRUE;
}
if(VULN)
{
report = report_fixed_ver(installed_version:version, fixed_version:fix);
security_message(data:report, port:dnsPort, proto:proto);
exit(0);
}