Oracle MySQL Server <= 5.5.45 / 5.6 <= 5.6.26 Security Update (cpujan2016) - 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.117193");
  script_version("2025-09-09T05:38:49+0000");
  script_cve_id("CVE-2015-7744");
  script_tag(name:"cvss_base", value:"2.6");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:P/I:N/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:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-08-29 20:52:00 +0000 (Mon, 29 Aug 2022)");
  script_tag(name:"creation_date", value:"2021-01-29 12:40:25 +0000 (Fri, 29 Jan 2021)");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_name("Oracle MySQL Server <= 5.5.45 / 5.6 <= 5.6.26 Security Update (cpujan2016) - Linux");

  script_tag(name:"summary", value:"Oracle MySQL Server is prone to a vulnerability in a third party library.");

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

  script_tag(name:"insight", value:"wolfSSL (formerly CyaSSL) as used in MySQL does not properly handle
  faults associated with the Chinese Remainder Theorem (CRT) process when allowing ephemeral key exchange
  without low memory optimizations on a server.");

  script_tag(name:"impact", value:"The flaw makes it easier for remote attackers to obtain private RSA
  keys by capturing TLS handshakes, aka a Lenstra attack.");

  script_tag(name:"affected", value:"Oracle MySQL Server versions 5.5.45 and prior and 5.6 through 5.6.26.");

  script_tag(name:"solution", value:"Updates are available. Please see the references for more information.");

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

  script_xref(name:"URL", value:"https://www.oracle.com/security-alerts/cpujan2016.html#AppendixMSQL");
  script_xref(name:"Advisory-ID", value:"cpujan2016");

  script_copyright("Copyright (C) 2021 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_equal(version:vers, test_version:"5.5.45") ||
   version_in_range(version:vers, test_version:"5.6", test_version2:"5.6.26")) {
  report = report_fixed_ver(installed_version:vers, fixed_version:"See the referenced vendor advisory", install_path:path);
  security_message(data:report, port:port);
  exit(0);
}

exit(99);