RHCOS 4 : OpenShift Container Platform 4.13.35 (RHSA-2024:0948)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2024:0948. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(191089);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/28");

  script_cve_id("CVE-2022-41723");
  script_xref(name:"RHSA", value:"2024:0948");

  script_name(english:"RHCOS 4 : OpenShift Container Platform 4.13.35 (RHSA-2024:0948)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat CoreOS host is missing a security update for OpenShift Container Platform 4.13.35.");
  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-2024:0948 advisory.

  - A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient
    to cause a denial of service from a small number of small requests. (CVE-2022-41723)

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-2022-41723");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2024:0948");
  script_set_attribute(attribute:"solution", value:
"Update the RHCOS OpenShift Container Platform 4.13.35 package based on the guidance in RHSA-2024:0948.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/I:N/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-2022-41723");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(400);
  script_set_attribute(attribute:"vendor_severity", value:"Moderate");

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/02/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/02/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/02/28");

  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:podman");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-catatonit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-docker");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-gvproxy");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-plugins");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-remote");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:podman-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: '4.13')) audit(AUDIT_OS_NOT, 'Red Hat CoreOS 4.13', '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':'podman-4.4.1-5.1.rhaos4.13.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-4.4.1-6.1.1.rhaos4.13.el9', 'release':'4', 'el_string':'el9', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-catatonit-4.4.1-5.1.rhaos4.13.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-docker-4.4.1-5.1.rhaos4.13.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-docker-4.4.1-6.1.1.rhaos4.13.el9', 'release':'4', 'el_string':'el9', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-gvproxy-4.4.1-5.1.rhaos4.13.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-gvproxy-4.4.1-6.1.1.rhaos4.13.el9', 'release':'4', 'el_string':'el9', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-plugins-4.4.1-5.1.rhaos4.13.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-plugins-4.4.1-6.1.1.rhaos4.13.el9', 'release':'4', 'el_string':'el9', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-remote-4.4.1-5.1.rhaos4.13.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-remote-4.4.1-6.1.1.rhaos4.13.el9', 'release':'4', 'el_string':'el9', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-tests-4.4.1-5.1.rhaos4.13.el8', 'release':'4', 'el_string':'el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', 'exists_check':'openshift-hyperkube'},
    {'reference':'podman-tests-4.4.1-6.1.1.rhaos4.13.el9', 'release':'4', 'el_string':'el9', 'rpm_spec_vers_cmp':TRUE, 'epoch':'3', '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, 'podman / podman-catatonit / podman-docker / podman-gvproxy / etc');
}