Intel BIOS Firmware CVE-2023-25756 (INTEL-SA-00924)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(186833);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/13");

  script_cve_id("CVE-2023-25756");

  script_name(english:"Intel BIOS Firmware CVE-2023-25756 (INTEL-SA-00924)");

  script_set_attribute(attribute:"synopsis", value:
"The BIOS firmware on the remote host is affected by CVE-2023-25756.");
  script_set_attribute(attribute:"description", value:
"The version of the Intel BIOS on the remote device is affected by a vulnerability as identified in the INTEL-SA-00924
advisory.

  - Out-of-bounds read in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to
    potentially enable escalation of privilege via adjacent access. (CVE-2023-25756)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00924.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d852c5da");
  script_set_attribute(attribute:"solution", value:
"Contact your system OEM for updated firmware per the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:S/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:A/AC:L/PR:L/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-2023-25756");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/11/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/11/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/12/13");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

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

  script_dependencies("intel_cpuid_detection.nbin");
  script_require_keys("SMB/WMI/Available", "Settings/ParanoidReport");

  exit(0);
}

if (report_paranoia < 2) audit(AUDIT_PARANOID);

var processor_id = get_kb_item_or_exit('Host/cpu/cpuid');

var vuln_processors = [
  {
    'Product Collection': 'Intel Atom: x6211E, x6413E, x6425E, x6212RE, x6414RE, x6425RE, x6427FE, x6200FE; Intel Celeron: J6413, N6211; Intel Pentium: J6425, N6415',
    'CPU ID': [
      '90661'
    ],
    'CVE ID': 'CVE-2023-25756',
    'Platform ID': 'C2'
  },
  {
    'Product Collection': '8th Generation Intel Core Processor Family, 9th Generation Intel Core Processor Family, Intel Celeron Processor G Series, Intel Pentium Gold Processor Series',
    'CPU ID': [
      '806EA',
      '906EA',
      '906EB',
      '906EC',
      '906ED'
    ],
    'CVE ID': 'CVE-2023-25756',
    'Platform ID': '22 C0'
  },
  {
    'Product Collection': '10th Generation Intel Core Processor Family',
    'CPU ID': [
      '806EC',
      'A0652',
      'A0653',
      'A0655',
      'A0660',
      'A0661'
    ],
    'CVE ID': 'CVE-2023-25756',
    'Platform ID': '01 02 22 80 94'
  },
  {
    'Product Collection': '10th Generation Intel Core Processor Family',
    'CPU ID': [
      '706E5'
    ],
    'CVE ID': 'CVE-2023-25756',
    'Platform ID': '80'
  },
  {
    'Product Collection': 'Intel Core: i7-11700T, i7-11700; i5-11400T, i5-11400, i5-11500T, i5-11500',
    'CPU ID': [
      'A0671'
    ],
    'CVE ID': 'CVE-2023-25756',
    'Platform ID': '02'
  },
  {
    'Product Collection': '11th Generation Intel Core Processor Family',
    'CPU ID': [
      '806C1',
      '806C2',
      '806D1'
    ],
    'CVE ID': 'CVE-2023-25756',
    'Platform ID': '80 C2'
  },
  {
    'Product Collection': '12th Generation Intel Core Processor Family, Intel Celeron Processor Family, Intel Pentium Gold Processor Family',
    'CPU ID': [
      '90672',
      '90675',
      '906A3',
      '906A4'
    ],
    'CVE ID': 'CVE-2023-25756',
    'Platform ID': '01 07 80'
  },
  {
    'Product Collection': '12th Generation Intel Core Processor Family, Intel Celeron Processor Family, Intel Pentium Gold Processor Family',
    'CPU ID': [
      'B06E0'
    ],
    'CVE ID': 'CVE-2023-25756',
    'Platform ID': '01'
  },
  {
    'Product Collection': '13th Generation Intel Core Processor Family, Intel Celeron Processor Family, Intel Pentium Gold Processor Family',
    'CPU ID': [
      'B0671',
      'B06F2',
      'B06F5'
    ],
    'CVE ID': 'CVE-2023-25756',
    'Platform ID': '01'
  },
  {
    'Product Collection': '8th Generation Intel Core Processors',
    'CPU ID': [
      '806EB',
      '806EC'
    ],
    'CVE ID': 'CVE-2023-25756',
    'Platform ID': '94 D0'
  }
];

var cpuids, report = FALSE;
foreach (var processor in vuln_processors)
{
  cpuids = processor['CPU ID'];
  foreach (var cpuid in cpuids)
  {
    if (processor_id == cpuid)
    {
      report  = 'Installed CPU ID : ' + cpuid + '\n';
      report += 'Installed CPU(s) : ' + processor['Product Collection'] + '\n';
      security_report_v4(port:135, severity:SECURITY_HOLE, extra:report);
      exit(0);
    }
  }
}

audit(AUDIT_INST_VER_NOT_VULN, 'The Intel® processor');