Oracle Linux 9 : systemd (ELSA-2023-0954)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2023-0954.
##

include('compat.inc');

if (description)
{
  script_id(172037);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/11/02");

  script_cve_id("CVE-2022-4415", "CVE-2022-45873");

  script_name(english:"Oracle Linux 9 : systemd (ELSA-2023-0954)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the
ELSA-2023-0954 advisory.

    [250-12.0.2.3]
    - Backport upstream pstore dmesg fix [Orabug: 34868110]
    - Remove upstream references  [Orabug: 33995357]
    - Disable unprivileged BPF by default [Orabug: 32870980]
    - udev rules: fix memory hot add and remove [Orabug: 31310273]
    - set 'RemoveIPC=no' in logind.conf as default for OL7.2 [Orabug: 22224874]
    - allow dm remove ioctl to co-operate with UEK3 (Vaughan Cao) [Orabug: 18467469]
    - fix _netdev is missing for iscsi entry in /etc/fstab ([email protected]) [Orabug: 25897792]
    - shutdown: get only active md arrays. [Orabug: 34467234]

    [250-12.3]
    - shared/json: allow json_variant_dump() to return an error (#2149074)
    - shared/json: use different return code for empty input (#2149074)
    - coredump: avoid deadlock when passing processed backtrace data (#2149074)
    - test: disable flaky subtests that require udevadm wait/lock (#2149074)

    [250-12.2]
    - coredump: adjust whitespace (#2155516)
    - basic: add STRERROR() wrapper for strerror_r() (#2155516)
    - coredump: do not allow user to access coredumps with changed uid/gid/capabilities (#2155516)
    - Packit: build SRPMs in Copr (#2155516)
    - test: support non-summer time (#2155516)
    - test: bump the base VM memory to 768M (#2155516)
    - test: don't overwrite existing  (#2155516)

Tenable has extracted the preceding description block directly from the Oracle Linux 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://linux.oracle.com/errata/ELSA-2023-0954.html");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:N/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:N/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-2022-4415");

  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:"2022/11/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/03/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/03/01");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:systemd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:systemd-container");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:systemd-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:systemd-journal-remote");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:systemd-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:systemd-oomd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:systemd-pam");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:systemd-resolved");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:systemd-rpm-macros");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:systemd-udev");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/local_checks_enabled");

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item('Host/OracleLinux')) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_release = get_kb_item("Host/RedHat/release");
if (isnull(os_release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:os_release)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
os_ver = os_ver[1];
if (! preg(pattern:"^9([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Oracle Linux 9', 'Oracle Linux ' + 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$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Oracle Linux', cpu);

var pkgs = [
    {'reference':'systemd-250-12.0.2.el9_1.3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-container-250-12.0.2.el9_1.3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-devel-250-12.0.2.el9_1.3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-journal-remote-250-12.0.2.el9_1.3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-libs-250-12.0.2.el9_1.3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-oomd-250-12.0.2.el9_1.3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-pam-250-12.0.2.el9_1.3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-resolved-250-12.0.2.el9_1.3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-rpm-macros-250-12.0.2.el9_1.3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-udev-250-12.0.2.el9_1.3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-250-12.0.2.el9_1.3', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-container-250-12.0.2.el9_1.3', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-devel-250-12.0.2.el9_1.3', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-journal-remote-250-12.0.2.el9_1.3', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-libs-250-12.0.2.el9_1.3', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-oomd-250-12.0.2.el9_1.3', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-pam-250-12.0.2.el9_1.3', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-resolved-250-12.0.2.el9_1.3', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-rpm-macros-250-12.0.2.el9_1.3', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-udev-250-12.0.2.el9_1.3', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-250-12.0.2.el9_1.3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-container-250-12.0.2.el9_1.3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-devel-250-12.0.2.el9_1.3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-journal-remote-250-12.0.2.el9_1.3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-libs-250-12.0.2.el9_1.3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-oomd-250-12.0.2.el9_1.3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-pam-250-12.0.2.el9_1.3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-resolved-250-12.0.2.el9_1.3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-rpm-macros-250-12.0.2.el9_1.3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'systemd-udev-250-12.0.2.el9_1.3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE}
];

var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var sp = NULL;
  var _cpu = NULL;
  var el_string = NULL;
  var rpm_spec_vers_cmp = NULL;
  var epoch = NULL;
  var allowmaj = NULL;
  var exists_check = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = 'EL' + 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['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 (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
  if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (reference && _release) {
    if (exists_check) {
        if (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, allowmaj:allowmaj)) flag++;
    } else {
        if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) 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, 'systemd / systemd-container / systemd-devel / etc');
}