ISC BIND Multiple Denial of Service Vulnerabilities (May 2018)

# 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:isc:bind";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.813401");
  script_version("2023-07-20T05:05:17+0000");
  script_cve_id("CVE-2018-5736", "CVE-2018-5737");
  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:"2023-07-20 05:05:17 +0000 (Thu, 20 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:"2019-10-09 23:41:00 +0000 (Wed, 09 Oct 2019)");
  script_tag(name:"creation_date", value:"2018-05-22 09:25:41 +0530 (Tue, 22 May 2018)");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_name("ISC BIND Multiple Denial of Service Vulnerabilities (May 2018)");

  script_tag(name:"summary", value:"ISC BIND 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:"Multiple flaws exist due to:

  - An error in zone database reference counting while attempting several
    transfers of a slave zone in quick succession.

  - An error in the implementation of the new serve-stale feature.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to cause a denial of service (assertion failure or degradation).");

  script_tag(name:"affected", value:"ISC BIND versions 9.12.0 and 9.12.1.");

  script_tag(name:"solution", value:"Update to ISC BIND version 9.12.1-P2 or
  later. Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name:"URL", value:"https://kb.isc.org/docs/aa-01606");
  script_xref(name:"URL", value:"https://kb.isc.org/docs/aa-01602");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_isc_bind_consolidation.nasl");
  script_mandatory_keys("isc/bind/detected");
  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 == "9.12.0" || version == "9.12.1") {
  report = report_fixed_ver(installed_version: version, fixed_version: "9.12.1-P2", install_path: location);
  security_message(port:port, data: report, proto: proto);
  exit(0);
}

exit(99);