RHEL 6 / 7 : rh-mysql56-mysql (RHSA-2016:2749)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2016:2749. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(234406);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/08/29");

  script_cve_id(
    "CVE-2016-3492",
    "CVE-2016-5507",
    "CVE-2016-5626",
    "CVE-2016-5629",
    "CVE-2016-6662",
    "CVE-2016-6663",
    "CVE-2016-6664",
    "CVE-2016-8283"
  );
  script_xref(name:"RHSA", value:"2016:2749");

  script_name(english:"RHEL 6 / 7 : rh-mysql56-mysql (RHSA-2016:2749)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for rh-mysql56-mysql.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2016:2749 advisory.

    MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon, mysqld,
    and many client programs.

    The following packages have been upgraded to a newer upstream version: rh-mysql56-mysql (5.6.34).

    Security Fix(es):

    * It was discovered that the MySQL logging functionality allowed writing to MySQL configuration files. An
    administrative database user, or a database user with FILE privileges, could possibly use this flaw to run
    arbitrary commands with root privileges on the system running the database server. (CVE-2016-6662)

    * A race condition was found in the way MySQL performed MyISAM engine table repair. A database user with
    shell access to the server running mysqld could use this flaw to change permissions of arbitrary files
    writable by the mysql system user. (CVE-2016-6663, CVE-2016-5616)

    * A flaw was found in the way the mysqld_safe script handled creation of error log file. The mysql
    operating system user could use this flaw to escalate their privileges to root. (CVE-2016-6664,
    CVE-2016-5617)

    * This update fixes several vulnerabilities in the MySQL database server. Information about these flaws
    can be found on the Oracle Critical Patch Update Advisory pages, listed in the References section.
    (CVE-2016-3492, CVE-2016-5507, CVE-2016-5626, CVE-2016-5629, CVE-2016-8283)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
  # http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html#AppendixMSQL
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1ad1fd2e");
  script_set_attribute(attribute:"see_also", value:"https://dev.mysql.com/doc/relnotes/mysql/5.6/en/news-5-6-33.html");
  script_set_attribute(attribute:"see_also", value:"https://dev.mysql.com/doc/relnotes/mysql/5.6/en/news-5-6-34.html");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1375198");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1378936");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1386554");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1386556");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1386564");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1386568");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1386572");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1386585");
  # https://security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_2749.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?69b38357");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2016:2749");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL rh-mysql56-mysql package based on the guidance in RHSA-2016:2749.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-6662");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(362, 732);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/09/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/11/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/04/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-mysql56-mysql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-mysql56-mysql-bench");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-mysql56-mysql-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-mysql56-mysql-config");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-mysql56-mysql-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-mysql56-mysql-errmsg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-mysql56-mysql-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-mysql56-mysql-test");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Red Hat Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");

  exit(0);
}


include('rpm2.inc');
include('rhel.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_product = get_kb_item('installed_os/local/SSH/0/product');
if (isnull(os_product) || 'Red Hat' >!< os_product) audit(AUDIT_OS_NOT, 'Red Hat');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
if (!rhel_check_release_list(operator: 'ge', os_version: os_version, rhel_versions: ['6','7'])) audit(AUDIT_OS_NOT, 'Red Hat 6.x / 7.x', 'Red Hat ' + os_version);

if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);

var constraints = [
  {
    'release': '6',
    'repo_relative_urls': [
      'content/dist/rhel/server/6/6Server/x86_64/rhscl/1/debug',
      'content/dist/rhel/server/6/6Server/x86_64/rhscl/1/os',
      'content/dist/rhel/server/6/6Server/x86_64/rhscl/1/source/SRPMS',
      'content/dist/rhel/workstation/6/6Workstation/x86_64/rhscl/1/debug',
      'content/dist/rhel/workstation/6/6Workstation/x86_64/rhscl/1/os',
      'content/dist/rhel/workstation/6/6Workstation/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/6/6.2/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/6/6.2/x86_64/rhscl/1/os',
      'content/eus/rhel/server/6/6.2/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/6/6.3/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/6/6.3/x86_64/rhscl/1/os',
      'content/eus/rhel/server/6/6.3/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/6/6.4/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/6/6.4/x86_64/rhscl/1/os',
      'content/eus/rhel/server/6/6.4/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/6/6.5/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/6/6.5/x86_64/rhscl/1/os',
      'content/eus/rhel/server/6/6.5/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/6/6.6/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/6/6.6/x86_64/rhscl/1/os',
      'content/eus/rhel/server/6/6.6/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/6/6.7/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/6/6.7/x86_64/rhscl/1/os',
      'content/eus/rhel/server/6/6.7/x86_64/rhscl/1/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'rh-mysql56-mysql-5.6.34-2.el6', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-bench-5.6.34-2.el6', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-common-5.6.34-2.el6', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-config-5.6.34-2.el6', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-devel-5.6.34-2.el6', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-errmsg-5.6.34-2.el6', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-server-5.6.34-2.el6', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-test-5.6.34-2.el6', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE}
    ]
  },
  {
    'release': '7',
    'repo_relative_urls': [
      'content/dist/rhel/server/7/7Server/x86_64/rhscl/1/debug',
      'content/dist/rhel/server/7/7Server/x86_64/rhscl/1/os',
      'content/dist/rhel/server/7/7Server/x86_64/rhscl/1/source/SRPMS',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/rhscl/1/debug',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/rhscl/1/os',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/7/7.1/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/7/7.1/x86_64/rhscl/1/os',
      'content/eus/rhel/server/7/7.1/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/7/7.2/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/7/7.2/x86_64/rhscl/1/os',
      'content/eus/rhel/server/7/7.2/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/7/7.3/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/7/7.3/x86_64/rhscl/1/os',
      'content/eus/rhel/server/7/7.3/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/7/7.4/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/7/7.4/x86_64/rhscl/1/os',
      'content/eus/rhel/server/7/7.4/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/7/7.5/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/7/7.5/x86_64/rhscl/1/os',
      'content/eus/rhel/server/7/7.5/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/7/7.6/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/7/7.6/x86_64/rhscl/1/os',
      'content/eus/rhel/server/7/7.6/x86_64/rhscl/1/source/SRPMS',
      'content/eus/rhel/server/7/7.7/x86_64/rhscl/1/debug',
      'content/eus/rhel/server/7/7.7/x86_64/rhscl/1/os',
      'content/eus/rhel/server/7/7.7/x86_64/rhscl/1/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'rh-mysql56-mysql-5.6.34-2.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-bench-5.6.34-2.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-common-5.6.34-2.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-config-5.6.34-2.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-devel-5.6.34-2.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-errmsg-5.6.34-2.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-server-5.6.34-2.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rh-mysql56-mysql-test-5.6.34-2.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);

var os_release = get_one_kb_item('installed_os/local/SSH/0/release');
var os_sp = get_one_kb_item('Host/*/minor_release');

var flag = 0;
var repo_relative_urls;
var reference;
var sp;
var _cpu;
var el_string;
var rpm_spec_vers_cmp;
var epoch;
var allowmaj;
var exists_check;
var cves;
foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }
  if (!empty_or_null(constraint['sp'])){
    if (constraint['sp'] != os_sp) continue;
  }

  if (!empty_or_null(constraint['repo_relative_urls'])) repo_relative_urls = constraint['repo_relative_urls'];

  foreach var pkg ( constraint['pkgs'] ) {
    reference = NULL;
    sp = NULL;
    _cpu = NULL;
    el_string = NULL;
    rpm_spec_vers_cmp = NULL;
    epoch = NULL;
    allowmaj = NULL;
    exists_check = NULL;
    cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
        (applicable_repo_urls || (!exists_check || rpm_exists(rpm:exists_check))) &&
        rpm_check(sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}

if (flag)
{
  var extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'rh-mysql56-mysql / rh-mysql56-mysql-bench / rh-mysql56-mysql-common / etc');
}