Oracle MySQL Backronym Vulnerability (Jun 2016) - Linux

# SPDX-FileCopyrightText: 2016 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.808064");
  script_version("2025-09-09T05:38:49+0000");
  script_cve_id("CVE-2015-3152");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_tag(name:"last_modification", value:"2025-09-09 05:38:49 +0000 (Tue, 09 Sep 2025)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-08-04 19:47:00 +0000 (Thu, 04 Aug 2022)");
  script_tag(name:"creation_date", value:"2016-06-02 17:05:55 +0530 (Thu, 02 Jun 2016)");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_name("Oracle MySQL Backronym Vulnerability (Jun 2016) - Linux");

  script_tag(name:"summary", value:"Oracle MySQL is prone to a backronym 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 improper validation
  of MySQL client library when establishing a secure connection to a MySQL
  server using the --ssl option.");

  script_tag(name:"impact", value:"Successful exploitation will allow
  man-in-the-middle attackers to spoof servers via a cleartext-downgrade
  attack.");

  script_tag(name:"affected", value:"Oracle MySQL Server 5.7.2 and earlier
  on Linux.");

  script_tag(name:"solution", value:"Upgrade to version Oracle MySQL Server 5.7.3 or
  later.");

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

  script_xref(name:"URL", value:"http://www.ocert.org/advisories/ocert-2015-003.html");
  script_xref(name:"URL", value:"https://duo.com/blog/backronym-mysql-vulnerability");

  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("Databases");
  script_dependencies("gb_mysql_mariadb_remote_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("oracle/mysql/detected", "Host/runs_unixoide");
  exit(0);
}

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

CPE = "cpe:/a:oracle:mysql";

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);

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

if(version_is_less(version:vers, test_version:"5.7.3")) {
  report = report_fixed_ver(installed_version:vers, fixed_version:"5.7.3", install_path:path);
  security_message(data:report, port:port);
  exit(0);
}

exit(99);