5.3 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
0.0004 Low
EPSS
Percentile
9.1%
Improper buffer restrictions in the BIOS firmware for some Intel® Processors may allow a privileged user to potentially enable information disclosure via local access(CVE-2022-27879)
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(179951);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/08/21");
script_cve_id("CVE-2022-27879");
script_xref(name:"IAVA", value:"2023-A-0426");
script_name(english:"Intel BIOS Firmware Information Disclosure (INTEL-SA-00813) (CVE-2022-27879)");
script_set_attribute(attribute:"synopsis", value:
"The BIOS firmware on the remote host is affected by an information disclosure vulnerability.");
script_set_attribute(attribute:"description", value:
"Improper buffer restrictions in the BIOS firmware for some Intel(R) Processors may allow a privileged user to
potentially enable information disclosure via local access(CVE-2022-27879)
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-00813.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3f552fd5");
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: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:H/UI:N/S:U/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-2022-27879");
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:"2022/08/08");
script_set_attribute(attribute:"patch_publication_date", value:"2022/08/08");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/08/18");
script_set_attribute(attribute:"potential_vulnerability", value:"true");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:intel");
script_set_attribute(attribute:"cpe", value:"cpe:/h:intel");
script_set_attribute(attribute:"cpe", value:"cpe:/o:intel");
script_set_attribute(attribute:"stig_severity", value:"I");
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® Pentium® Processor J Series, Intel® Pentium® Processor N Series, Intel® Celeron® Processor J Series, Intel® Celeron® Processor N Series, Intel® Atom® Processor A Series, Intel® Atom® Processor E3900 Series',
'Vertical Segment': 'Desktop, Mobile, Embedded',
'CPU ID': ['506C9', '506CA'],
'Platform ID': 3
},
{
'Product Collection': 'Intel® Pentium® Processor Silver Series, Intel® Celeron® Processor J Series, Intel® Celeron® Processor N Series',
'Vertical Segment': 'Desktop, Mobile',
'CPU ID': ['706A1', '706A8'],
'Platform ID': 1
}
];
var cve, cpuids, report, found = FALSE;
cve = 'CVE-2022-27879';
foreach (var processor in vuln_processors)
{
cpuids = processor['CPU ID'];
foreach (var cpuid in cpuids)
{
if (processor_id == cpuid)
{
found = TRUE;
report = 'The processor(s) ' + processor['Product Collection'] + ' with CPU ID ' + cpuid + ' are vulnerable to ' +
cve + '. See vendor advisory.\n';
security_report_v4(port:135, severity:SECURITY_WARNING, extra:report);
}
}
}
if (!found)
audit(AUDIT_INST_VER_NOT_VULN, 'The intel processor');
5.3 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
0.0004 Low
EPSS
Percentile
9.1%