Debian dla-3890 : galera-4 - security update

#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dla-3890. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(207362);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/17");

  script_name(english:"Debian dla-3890 : galera-4 - security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
  script_set_attribute(attribute:"description", value:
"The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-3890
advisory.

    - -------------------------------------------------------------------------
    Debian LTS Advisory DLA-3890-1                [email protected]
    https://www.debian.org/lts/security/                      Otto Keklinen
    September 17, 2024                            https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : galera-4
    Version        : 26.4.20-0+deb11u1

    A new stable version was released for galera-4, a synchronous
    multimaster replication engine for MySQL and MariaDB.

    This fixes several issues detailed at:
    https://github.com/codership/documentation/blob/master/release-notes/release-notes-galera-26.4.19.txt
    https://github.com/codership/documentation/blob/master/release-notes/release-notes-galera-26.4.20.txt

    For Debian 11 bullseye, the new release is available in version
    26.4.20-0+deb11u1.

    We recommend that you upgrade your galera-4 packages.

    For the detailed security status of galera-4 please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/galera-4

    Further information about Debian LTS security advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/galera-4");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bullseye/galera-4");
  script_set_attribute(attribute:"solution", value:
"Upgrade the galera-4 packages.");
  script_set_attribute(attribute:"risk_factor", value:"High");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/09/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/09/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/09/17");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:galera-4");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:galera-arbitrator-4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}

include('debian_package.inc');

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);

var debian_release = get_kb_item('Host/Debian/release');
if ( isnull(debian_release) ) audit(AUDIT_OS_NOT, 'Debian');
debian_release = chomp(debian_release);
if (! preg(pattern:"^(11)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 11.0', 'Debian ' + debian_release);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Debian', cpu);

var pkgs = [
    {'release': '11.0', 'prefix': 'galera-4', 'reference': '26.4.20-0+deb11u1'},
    {'release': '11.0', 'prefix': 'galera-arbitrator-4', 'reference': '26.4.20-0+deb11u1'}
];

var flag = 0;
foreach package_array ( pkgs ) {
  var _release = NULL;
  var prefix = NULL;
  var reference = NULL;
  if (!empty_or_null(package_array['release'])) _release = package_array['release'];
  if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (_release && prefix && reference) {
    if (deb_check(release:_release, prefix:prefix, reference:reference)) flag++;
  }
}

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : deb_report_get()
  );
  exit(0);
}
else
{
  var tested = deb_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'galera-4 / galera-arbitrator-4');
}