MariaDB DoS Vulnerability (MDEV-33727)

# SPDX-FileCopyrightText: 2025 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:mariadb:mariadb";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.125391");
  script_version("2025-11-28T15:41:52+0000");
  script_tag(name:"last_modification", value:"2025-11-28 15:41:52 +0000 (Fri, 28 Nov 2025)");
  script_tag(name:"creation_date", value:"2025-10-27 15:24:50 +0000 (Mon, 27 Oct 2025)");
  script_tag(name:"cvss_base", value:"3.7");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-04-16 22:15:30 +0000 (Tue, 16 Apr 2024)");

  script_cve_id("CVE-2024-21096");

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

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

  script_name("MariaDB DoS Vulnerability (MDEV-33727)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2025 Greenbone AG");
  script_family("Databases");
  script_dependencies("gb_mysql_mariadb_remote_detect.nasl");
  script_mandatory_keys("mariadb/detected");

  script_tag(name:"summary", value:"MariaDB 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 difficult-to-exploit vulnerability allows an unauthenticated
  attacker who has logon access to the host running MySQL Server to compromise the MySQL Server.");

  script_tag(name:"impact", value:"Successful exploitation of this vulnerability can allow
  unauthorized users to update, insert, or delete certain data accessible by MySQL Server, gain
  unauthorized read access to a subset of data, and potentially cause a partial DoS.");

  script_tag(name:"affected", value:"MariaDB versions prior to 10.5.25, 10.6.x prior to 10.6.18,
  10.7.x prior to 10.11.8, 11.0.x prior to 11.0.6, 11.1.x prior to 11.1.5, 11.2.x prior to 11.2.4
  and 11.3.x prior to 11.4.2.");

  script_tag(name:"solution", value:"Update to version 10.5.25, 10.6.18, 10.11.8, 11.0.6, 11.1.5,
  11.2.4, 11.4.2 or later.");

  script_xref(name:"URL", value:"https://jira.mariadb.org/browse/MDEV-33727");
  script_xref(name:"URL", value:"https://mariadb.com/docs/server/security/securing-mariadb/security#full-list-of-cves-fixed-in-mariadb");
  script_xref(name:"URL", value:"https://www.oracle.com/security-alerts/cpujan2025.html");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (!port = get_app_port(cpe: CPE))
  exit(0);

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
  exit(0);

version = infos["version"];
location = infos["location"];

if (version_is_less(version: version, test_version: "10.5.25")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "10.5.25", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "10.6.0", test_version_up: "10.6.18")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "10.6.18", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "10.7.0", test_version_up: "10.11.8")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "10.11.8", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "11.0.0", test_version_up: "11.0.6")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "11.0.6", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "11.1.0", test_version_up: "11.1.5")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "11.1.5", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "11.2.0", test_version_up: "11.2.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "11.2.4", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "11.3.0", test_version_up: "11.4.2")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "11.4.2", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);