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nessusThis script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.SUSE_SU-2024-0917-1.NASL
HistoryMar 23, 2024 - 12:00 a.m.

SUSE SLES12 Security Update : ucode-intel (SUSE-SU-2024:0917-1)

2024-03-2300:00:00
This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
12
suse sles12
security update
ucode-intel
intel xeon processors
intel atom processors
information disclosure
denial of service
cve-2023-22655
cve-2023-28746
cve-2023-38575
cve-2023-39368
cve-2023-43490
vulnerabilities
local access
network access
suse-su-2024:0917-1

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

48.0%

The remote SUSE Linux SLES12 / SLES_SAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:0917-1 advisory.

  • Protection mechanism failure in some 3rd and 4th Generation Intel® Xeon® Processors when using Intel® SGX or Intel® TDX may allow a privileged user to potentially enable escalation of privilege via local access. (CVE-2023-22655)

  • Information exposure through microarchitectural state after transient execution from some register files for some Intel® Atom® Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2023-28746)

  • Non-transparent sharing of return predictor targets between contexts in some Intel® Processors may allow an authorized user to potentially enable information disclosure via local access. (CVE-2023-38575)

  • Protection mechanism failure of bus lock regulator for some Intel® Processors may allow an unauthenticated user to potentially enable denial of service via network access. (CVE-2023-39368)

  • Incorrect calculation in microcode keying mechanism for some Intel® Xeon® D Processors with Intel® SGX may allow a privileged user to potentially enable information disclosure via local access.
    (CVE-2023-43490)

Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2024:0917-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(192491);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/23");

  script_cve_id(
    "CVE-2023-22655",
    "CVE-2023-28746",
    "CVE-2023-38575",
    "CVE-2023-39368",
    "CVE-2023-43490"
  );
  script_xref(name:"SuSE", value:"SUSE-SU-2024:0917-1");

  script_name(english:"SUSE SLES12 Security Update : ucode-intel (SUSE-SU-2024:0917-1)");

  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 SLES12 / SLES_SAP12 host has a package installed that is affected by multiple vulnerabilities as
referenced in the SUSE-SU-2024:0917-1 advisory.

  - Protection mechanism failure in some 3rd and 4th Generation Intel(R) Xeon(R) Processors when using
    Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via
    local access. (CVE-2023-22655)

  - Information exposure through microarchitectural state after transient execution from some register files
    for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable information
    disclosure via local access. (CVE-2023-28746)

  - Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow
    an authorized user to potentially enable information disclosure via local access. (CVE-2023-38575)

  - Protection mechanism failure of bus lock regulator for some Intel(R) Processors may allow an
    unauthenticated user to potentially enable denial of service via network access. (CVE-2023-39368)

  - Incorrect calculation in microcode keying mechanism for some Intel(R) Xeon(R) D Processors with Intel(R)
    SGX may allow a privileged user to potentially enable information disclosure via local access.
    (CVE-2023-43490)

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/1221323");
  # https://lists.suse.com/pipermail/sle-security-updates/2024-March/018209.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?aa8031e7");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-22655");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-28746");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-38575");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-39368");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-43490");
  script_set_attribute(attribute:"solution", value:
"Update the affected ucode-intel package.");
  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:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-38575");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2023-28746");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/03/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/03/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/03/23");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ucode-intel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  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)") audit(AUDIT_OS_NOT, "SUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)(?:_SAP)?\d+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES12|SLES_SAP12)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES12 / SLES_SAP12', 'SUSE (' + 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 (' + os_ver + ')', cpu);

var service_pack = get_kb_item("Host/SuSE/patchlevel");
if (isnull(service_pack)) service_pack = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES12 SP5", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP12 SP5", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'ucode-intel-20240312-134.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'ucode-intel-20240312-134.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']}
];

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;
        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)
{
  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, 'ucode-intel');
}
VendorProductVersionCPE
novellsuse_linuxucode-intelp-cpe:/a:novell:suse_linux:ucode-intel
novellsuse_linux12cpe:/o:novell:suse_linux:12

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

48.0%