Oracle MySQL Server <= 5.7.35 / 8.0 <= 8.0.26 Security Update (cpuoct2021) - Linux

# SPDX-FileCopyrightText: 2021 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:oracle:mysql";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.117740");
  script_version("2025-09-09T05:38:49+0000");
  script_tag(name:"last_modification", value:"2025-09-09 05:38:49 +0000 (Tue, 09 Sep 2025)");
  script_tag(name:"creation_date", value:"2021-10-22 07:55:48 +0000 (Fri, 22 Oct 2021)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-08-31 16:37:00 +0000 (Tue, 31 Aug 2021)");

  # nb: From the vendor advisory:
  # The patch for CVE-2021-22926 also addresses CVE-2021-22922, CVE-2021-22923, CVE-2021-22924, CVE-2021-22925, CVE-2021-22945, CVE-2021-22946 and CVE-2021-22947.
  # The patch for CVE-2021-3711 also addresses CVE-2021-3712.
  script_cve_id("CVE-2021-3711", "CVE-2021-22926", "CVE-2021-35604", "CVE-2021-35624", "CVE-2021-22922",
                "CVE-2021-22923", "CVE-2021-22924", "CVE-2021-22925", "CVE-2021-22945", "CVE-2021-22946",
                "CVE-2021-22947", "CVE-2021-3712");

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

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

  script_name("Oracle MySQL Server <= 5.7.35 / 8.0 <= 8.0.26 Security Update (cpuoct2021) - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("Databases");
  script_dependencies("gb_mysql_mariadb_remote_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("oracle/mysql/detected", "Host/runs_unixoide");

  script_tag(name:"summary", value:"Oracle MySQL Server is prone to multiple vulnerabilities.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"affected", value:"Oracle MySQL Server version 5.7.35 and prior and 8.0 through 8.0.26.");

  script_tag(name:"solution", value:"Update to version 5.7.36, 8.0.27 or later.");

  script_xref(name:"URL", value:"https://www.oracle.com/security-alerts/cpuoct2021.html#AppendixMSQL");
  script_xref(name:"Advisory-ID", value:"cpuoct2021");

  exit(0);
}

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

if (isnull(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_equal(version: version, test_version: "5.7.35")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.7.36", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

else if (version_in_range(version: version, test_version: "8.0", test_version2: "8.0.26")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.0.27", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);