7.5 High
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
7.7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.768 High
EPSS
Percentile
98.2%
ISC BIND is prone to a denial of service 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:isc:bind";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.810286");
script_version("2023-07-25T05:05:58+0000");
script_cve_id("CVE-2016-9147");
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:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
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:"2018-09-27 10:29:00 +0000 (Thu, 27 Sep 2018)");
script_tag(name:"creation_date", value:"2017-01-16 16:59:09 +0530 (Mon, 16 Jan 2017)");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_name("ISC BIND Inconsistent DNSSEC Information Denial of Service Vulnerability - Linux");
script_tag(name:"summary", value:"ISC BIND is prone to a denial of service 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
handling a query response containing inconsistent DNSSEC information.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to cause a denial of service (assertion failure and daemon exit) via
crafted data.");
script_tag(name:"affected", value:"ISC BIND 9.9.9-P4, 9.9.9-S6, 9.10.4-P4 and
9.11.0-P1.");
script_tag(name:"solution", value:"Update to ISC BIND version 9.9.9-P5 or
9.9.9-S7 or 9.10.4-P5 or 9.11.0-P2 or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"https://kb.isc.org/docs/aa-01440");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/95390");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone AG");
script_family("Denial of Service");
script_dependencies("gb_isc_bind_consolidation.nasl", "os_detection.nasl");
script_mandatory_keys("isc/bind/detected", "Host/runs_unixoide");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if(isnull(port = get_app_port(cpe: CPE)))
exit(0);
if(!infos = get_app_full(cpe:CPE, port:port, exit_no_version:TRUE))
exit(0);
version = infos["version"];
proto = infos["proto"];
location = infos["location"];
if(version =~ "^9\.") {
if(version_is_equal(version:version, test_version:"9.9.9p4")) {
fix = "9.9.9-P5";
VULN = TRUE;
}
else if(version_is_equal(version:version, test_version:"9.9.9s6")) {
fix = "9.9.9-S7";
VULN = TRUE;
}
else if(version_is_equal(version:version, test_version:"9.10.4p4")) {
fix = "9.10.4-P5";
VULN = TRUE;
}
else if(version_is_equal(version:version, test_version:"9.11.0p1")) {
fix = "9.11.0-P2";
VULN = TRUE;
}
}
if(VULN) {
report = report_fixed_ver(installed_version:version, fixed_version:fix, install_path:location);
security_message(data:report, port:port, proto:proto);
exit(0);
}
exit(99);
7.5 High
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
7.7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.768 High
EPSS
Percentile
98.2%