CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
13.2%
The version of the Intel BIOS on the remote device is affected by a vulnerability as identified in the INTEL-SA-00717 advisory.
Note that Nessus has not tested for this issue but has instead relied only on the applicationโs self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(187101);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/21");
script_cve_id("CVE-2022-26343");
script_name(english:"Intel BIOS Firmware CVE-2022-26343 (INTEL-SA-00717)");
script_set_attribute(attribute:"synopsis", value:
"The BIOS firmware on the remote host is affected by CVE-2022-26343.");
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-00717
advisory.
- Improper access control in the BIOS firmware for some Intel(R) Processors may allow a privileged user to
potentially enable escalation of privilege via local access. (CVE-2022-26343)
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-00717.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d5385b3b");
script_set_attribute(attribute:"solution", value:
"Contact your system OEM for updated firmware per the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:M/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:L/AC:L/PR:H/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-2022-26343");
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:"HIGH");
script_set_attribute(attribute:"vuln_publication_date", value:"2023/02/14");
script_set_attribute(attribute:"patch_publication_date", value:"2023/02/14");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/12/19");
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': '2nd Generation Intel Xeon Scalable Processors',
'Vertical Segment': 'Server, Workstation',
'CPU ID': [
'50656',
'50657'
],
'CVE ID': 'CVE-2022-26343',
'Platform ID': 'BF'
},
{
'Product Collection': 'Intel Xeon D processor family',
'Vertical Segment': 'Server',
'CPU ID': [
'50654'
],
'CVE ID': 'CVE-2022-26343',
'Platform ID': 'B7'
},
{
'Product Collection': 'Intel Xeon Platinum P-8124, P-8136 processors',
'Vertical Segment': 'Server',
'CPU ID': [
'50653'
],
'CVE ID': 'CVE-2022-26343',
'Platform ID': '97'
},
{
'Product Collection': 'Intel Xeon Scalable processor family',
'Vertical Segment': 'Server',
'CPU ID': [
'50654'
],
'CVE ID': 'CVE-2022-26343',
'Platform ID': 'B7'
},
{
'Product Collection': 'Intel Xeon D processor 1500 series',
'Vertical Segment': 'Server',
'CPU ID': [
'50665'
],
'CVE ID': 'CVE-2022-26343',
'Platform ID': '10'
},
{
'Product Collection': 'Intel Xeon D processor 1500 series',
'Vertical Segment': 'Server',
'CPU ID': [
'50663',
'50664'
],
'CVE ID': 'CVE-2022-26343',
'Platform ID': '10'
}
];
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_WARNING, extra:report);
exit(0);
}
}
}
audit(AUDIT_INST_VER_NOT_VULN, 'The Intelรยฎ processor');
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
13.2%