RHCOS 4 : OpenShift Container Platform 4.10.60 (RHSA-2023:3216)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2023:3216. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(189427);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/24");

  script_cve_id("CVE-2022-2995");
  script_xref(name:"RHSA", value:"2023:3216");

  script_name(english:"RHCOS 4 : OpenShift Container Platform 4.10.60 (RHSA-2023:3216)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat CoreOS host is missing a security update for OpenShift Container Platform 4.10.60.");
  script_set_attribute(attribute:"description", value:
"The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as
referenced in the RHSA-2023:3216 advisory.

  - Incorrect handling of the supplementary groups in the CRI-O container engine might lead to sensitive
    information disclosure or possible data modification if an attacker has direct access to the affected
    container where supplementary groups are used to set access permissions and is able to execute a binary
    code in that container. (CVE-2022-2995)

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://access.redhat.com/security/cve/CVE-2022-2995");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2023:3216");
  script_set_attribute(attribute:"solution", value:
"Update the RHCOS OpenShift Container Platform 4.10.60 packages based on the guidance in RHSA-2023:3216.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-2995");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(284);
  script_set_attribute(attribute:"vendor_severity", value:"Low");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/09/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/05/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/01/24");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7:coreos");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8:coreos");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:cri-o");
  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) 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/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");

  exit(0);
}


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

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat CoreOS');
os_ver = os_ver[1];
if (!rhel_check_release(operator: 'eq', os_version: os_ver, rhel_version: '4.10')) audit(AUDIT_OS_NOT, 'Red Hat CoreOS 4.10', 'Red Hat CoreOS ' + os_ver);

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 CoreOS', cpu);

var pkgs = [
    {'reference':'cri-o-1.23.5-11.rhaos4.10.gitfc32aac.el7', 'cpu':'x86_64', 'release':'4', 'el_string':'el7', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openshift-hyperkube'},
    {'reference':'cri-o-1.23.5-11.rhaos4.10.gitfc32aac.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openshift-hyperkube'}
];

var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var _cpu = NULL;
  var el_string = NULL;
  var rpm_spec_vers_cmp = NULL;
  var epoch = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = 'RHCOS' + package_array['release'];
  if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
  if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
  if (reference &&
      _release &&
      (!exists_check || rpm_exists(release:_release, rpm:exists_check)) &&
      rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'cri-o');
}