ISC BIND DoS Vulnerability (CVE-2024-0760) - Linux

# SPDX-FileCopyrightText: 2024 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("1.3.6.1.4.1.25623.1.0.152738");
  script_version("2024-07-26T05:05:35+0000");
  script_tag(name:"last_modification", value:"2024-07-26 05:05:35 +0000 (Fri, 26 Jul 2024)");
  script_tag(name:"creation_date", value:"2024-07-24 02:18:17 +0000 (Wed, 24 Jul 2024)");
  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:"severity_vector", value:"CVSS:3.1/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:"2024-07-23 15:15:03 +0000 (Tue, 23 Jul 2024)");

  script_cve_id("CVE-2024-0760");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("ISC BIND DoS Vulnerability (CVE-2024-0760) - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2024 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");

  script_tag(name:"summary", value:"ISC BIND 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:"A malicious client can send many DNS messages over TCP,
  potentially causing the server to become unstable while the attack is in progress. The server may
  recover after the attack ceases. Use of ACLs will not mitigate the attack.");

  script_tag(name:"affected", value:"ISC BIND version 9.18.1 through 9.18.27, 9.19.0 through
  9.19.24 and 9.18.11-S1 through 9.18.27-S1.");

  script_tag(name:"solution", value:"Update to version 9.18.28, 9.20.0, 9.18.28-S1 or later.");

  script_xref(name:"URL", value:"https://kb.isc.org/docs/cve-2024-0760");
  script_xref(name:"URL", value:"https://www.cisa.gov/news-events/alerts/2024/07/24/isc-releases-security-advisories-bind-9");

  exit(0);
}

include("host_details.inc");
include("version_func.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\.[0-9]+\.[0-9]+s[0-9]") {
  if (version_in_range(version: version, test_version: "9.18.11s1", test_version2: "9.18.27s1")) {
    report = report_fixed_ver(installed_version: version, fixed_version: "9.18.28-S1", install_path: location);
    security_message(port: port, data: report, proto: proto);
    exit(0);
  }
} else {
  if (version_in_range(version: version, test_version: "9.18.1", test_version2: "9.18.27")) {
    report = report_fixed_ver(installed_version: version, fixed_version: "9.18.28", install_path: location);
    security_message(port: port, data: report, proto: proto);
    exit(0);
  }

  if (version_in_range(version: version, test_version: "9.19.0", test_version2: "9.19.24")) {
    report = report_fixed_ver(installed_version: version, fixed_version: "9.20.0", install_path: location);
    security_message(port: port, data: report, proto: proto);
    exit(0);
  }
}

exit(99);