RHCOS 4 : OpenShift Container Platform 4.12.20 (RHSA-2023:3409)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2023:3409. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(189447);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/24");

  script_cve_id("CVE-2023-24540");
  script_xref(name:"RHSA", value:"2023:3409");

  script_name(english:"RHCOS 4 : OpenShift Container Platform 4.12.20 (RHSA-2023:3409)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat CoreOS host is missing a security update for OpenShift Container Platform 4.12.20.");
  script_set_attribute(attribute:"description", value:
"The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by a vulnerability as
referenced in the RHSA-2023:3409 advisory.

  - Not all valid JavaScript whitespace characters are considered to be whitespace. Templates containing
    whitespace characters outside of the character set \t\n\f\r\u0020\u2028\u2029 in JavaScript contexts
    that also contain actions may not be properly sanitized during execution. (CVE-2023-24540)

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-2023-24540");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2023:3409");
  script_set_attribute(attribute:"solution", value:
"Update the RHCOS OpenShift Container Platform 4.12.20 packages based on the guidance in RHSA-2023:3409.");
  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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-24540");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(176);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/05/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/06/07");
  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:8:coreos");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:9:coreos");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:buildah");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:buildah-tests");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-clients");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-clients-redistributable");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-hyperkube");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:skopeo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:skopeo-tests");
  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: '4.12')) audit(AUDIT_OS_NOT, 'Red Hat CoreOS 4.12', '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':'buildah-1.23.4-4.1.rhaos4.12.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1', 'exists_check':'openshift-hyperkube'},
    {'reference':'buildah-tests-1.23.4-4.1.rhaos4.12.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1', 'exists_check':'openshift-hyperkube'},
    {'reference':'openshift-clients-4.12.0-202305301015.p0.g97c75d0.assembly.stream.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openshift-hyperkube'},
    {'reference':'openshift-clients-4.12.0-202305301015.p0.g97c75d0.assembly.stream.el9', 'release':'4', 'el_string':'el9', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openshift-hyperkube'},
    {'reference':'openshift-clients-redistributable-4.12.0-202305301015.p0.g97c75d0.assembly.stream.el8', 'cpu':'x86_64', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openshift-hyperkube'},
    {'reference':'openshift-clients-redistributable-4.12.0-202305301015.p0.g97c75d0.assembly.stream.el9', 'cpu':'x86_64', 'release':'4', 'el_string':'el9', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openshift-hyperkube'},
    {'reference':'openshift-hyperkube-4.12.0-202305301919.p0.g3fe2906.assembly.stream.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openshift-hyperkube'},
    {'reference':'openshift-hyperkube-4.12.0-202305301919.p0.g3fe2906.assembly.stream.el9', 'release':'4', 'el_string':'el9', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openshift-hyperkube'},
    {'reference':'skopeo-1.9.4-2.1.rhaos4.12.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2', 'exists_check':'openshift-hyperkube'},
    {'reference':'skopeo-tests-1.9.4-2.1.rhaos4.12.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2', '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_HOLE,
      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, 'buildah / buildah-tests / openshift-clients / etc');
}