SUSE SLES15 / openSUSE 15 Security Update : kubernetes1.26 (SUSE-SU-2024:3094-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2024:3094-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(206568);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/18");

  script_cve_id("CVE-2023-39325", "CVE-2023-44487", "CVE-2024-24786");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2023/10/31");
  script_xref(name:"IAVA", value:"2024-A-0236");
  script_xref(name:"SuSE", value:"SUSE-SU-2024:3094-1");
  script_xref(name:"CEA-ID", value:"CEA-2024-0004");

  script_name(english:"SUSE SLES15 / openSUSE 15 Security Update : kubernetes1.26 (SUSE-SU-2024:3094-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote SUSE Linux SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple
vulnerabilities as referenced in the SUSE-SU-2024:3094-1 advisory.

    Update kubernetes to version 1.26.15:
    - CVE-2024-24786: Fixed infinite loop in protojson.Unmarshal in golang-protobuf (bsc#1229867)
    - CVE-2023-39325: Fixed a flaw that can lead to a DoS due to a rapid stream resets causing excessive work.
    This is also known as CVE-2023-44487. (bsc#1229869)
    - CVE-2023-44487: Fixed HTTP/2 Rapid Reset attack in net/http (bsc#1229869)

    Other fixes:
    - Fixed packages required by kubernetes1.26-client installation (bsc#1229008)
    - Update go to version v1.22.5 (bsc#1229858)
    - Add upstream patch for reproducible builds (bsc#1062303)

Tenable has extracted the preceding description block directly from the SUSE 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://bugzilla.suse.com/1062303");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1229008");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1229858");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1229867");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1229869");
  # https://lists.suse.com/pipermail/sle-updates/2024-September/036778.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?27bf2052");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-39325");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-44487");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-24786");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  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:F/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:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:A");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-44487");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/10/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/09/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/09/04");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kubernetes1.26-client");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kubernetes1.26-client-common");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE 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/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item("Host/SuSE/release");
if (isnull(os_release) || os_release !~ "^(SLED|SLES|SUSE)") audit(AUDIT_OS_NOT, "SUSE / openSUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)(?:_SAP)?\d+|SUSE([\d.]+))", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE / openSUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES15|SLES_SAP15|SUSE15\.5|SUSE15\.6)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES15 / SLES_SAP15 / openSUSE 15', 'SUSE / openSUSE (' + os_ver + ')');

if (!get_kb_item("Host/SuSE/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) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'SUSE / openSUSE (' + os_ver + ')', cpu);

var service_pack = get_kb_item("Host/SuSE/patchlevel");
if (isnull(service_pack)) service_pack = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(4|5|6)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES15 SP4/5/6", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP15" && (! preg(pattern:"^(4|5|6)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP15 SP4/5/6", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'sp':'6', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'sp':'6', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.6']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-containers-release-15.5', 'sles-release-15.5']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-containers-release-15.5', 'sles-release-15.5']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.6', 'sle-module-containers-release-15.6', 'sles-release-15.6']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'sp':'6', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.6', 'sle-module-containers-release-15.6', 'sles-release-15.6']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
    {'reference':'kubernetes1.26-apiserver-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-client-bash-completion-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-client-fish-completion-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-controller-manager-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-kubeadm-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-kubelet-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-kubelet-common-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-proxy-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-scheduler-1.26.15-150400.9.11.1', 'release':'SUSE15.6', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.6']},
    {'reference':'kubernetes1.26-client-1.26.15-150400.9.11.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.4']},
    {'reference':'kubernetes1.26-client-common-1.26.15-150400.9.11.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.4']}
];

var ltss_caveat_required = FALSE;
var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var sp = NULL;
  var _cpu = NULL;
  var exists_check = NULL;
  var rpm_spec_vers_cmp = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = package_array['release'];
  if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
  if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
  if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (reference && _release) {
    if (exists_check) {
      var check_flag = 0;
      foreach var check (exists_check) {
        if (!rpm_exists(release:_release, rpm:check)) continue;
        if ('ltss' >< tolower(check)) ltss_caveat_required = TRUE;
        check_flag++;
      }
      if (!check_flag) continue;
    }
    if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
  }
}

if (flag)
{
  var ltss_plugin_caveat = NULL;
  if(ltss_caveat_required) ltss_plugin_caveat = '\n' +
    'NOTE: This vulnerability check contains fixes that apply to\n' +
    'packages only available in SUSE Enterprise Linux Server LTSS\n' +
    'repositories. Access to these package security updates require\n' +
    'a paid SUSE LTSS subscription.\n';
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get() + ltss_plugin_caveat
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'kubernetes1.26-apiserver / kubernetes1.26-client / etc');
}