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nessusThis script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.SMB_NT_MS21_OCT_5006674.NASL
HistoryOct 12, 2021 - 12:00 a.m.

KB5006674: Windows 11 Security Update (October 2021)

2021-10-1200:00:00
This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
55

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

Low

7.2 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.512 Medium

EPSS

Percentile

97.6%

The remote Windows host is missing security update 5006674. It is, therefore, affected by multiple vulnerabilities

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.

#
# The descriptive text and package checks in this plugin were
# extracted from the Microsoft Security Updates API. The text
# itself is copyright (C) Microsoft Corporation.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(154042);
  script_version("1.13");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/29");

  script_cve_id(
    "CVE-2021-26441",
    "CVE-2021-26442",
    "CVE-2021-36953",
    "CVE-2021-36970",
    "CVE-2021-38662",
    "CVE-2021-38663",
    "CVE-2021-38672",
    "CVE-2021-40443",
    "CVE-2021-40449",
    "CVE-2021-40450",
    "CVE-2021-40454",
    "CVE-2021-40455",
    "CVE-2021-40460",
    "CVE-2021-40461",
    "CVE-2021-40462",
    "CVE-2021-40463",
    "CVE-2021-40464",
    "CVE-2021-40465",
    "CVE-2021-40466",
    "CVE-2021-40467",
    "CVE-2021-40468",
    "CVE-2021-40470",
    "CVE-2021-40475",
    "CVE-2021-40476",
    "CVE-2021-40477",
    "CVE-2021-40478",
    "CVE-2021-40488",
    "CVE-2021-40489",
    "CVE-2021-41332",
    "CVE-2021-41334",
    "CVE-2021-41336",
    "CVE-2021-41338",
    "CVE-2021-41339",
    "CVE-2021-41340",
    "CVE-2021-41342",
    "CVE-2021-41343",
    "CVE-2021-41345",
    "CVE-2021-41347"
  );
  script_xref(name:"IAVA", value:"2021-A-0472-S");
  script_xref(name:"IAVA", value:"2021-A-0475-S");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/12/01");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/05/16");
  script_xref(name:"MSKB", value:"5006674");
  script_xref(name:"MSFT", value:"MS21-5006674");

  script_name(english:"KB5006674: Windows 11 Security Update (October 2021)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The remote Windows host is missing security update 5006674. It is, therefore, affected by multiple vulnerabilities");
  script_set_attribute(attribute:"solution", value:
"Apply Security Update 5006674");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-41345");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2021-36970");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Win32k NtGdiResetDC Use After Free Local Privilege Elevation');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/10/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/10/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/10/12");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows : Microsoft Bulletins");

  script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("smb_check_rollup.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl");
  script_require_keys("SMB/MS_Bulletin_Checks/Possible");
  script_require_ports(139, 445, "Host/patch_management_checks");

  exit(0);
}

include('smb_func.inc');
include('smb_hotfixes.inc');
include('smb_hotfixes_fcheck.inc');
include('smb_reg_query.inc');

get_kb_item_or_exit('SMB/MS_Bulletin_Checks/Possible');

bulletin = 'MS21-10';
kbs = make_list(
  '5006674'
);

if (get_kb_item('Host/patch_management_checks')) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);

get_kb_item_or_exit('SMB/Registry/Enumerated');
get_kb_item_or_exit('SMB/WindowsVersion', exit_code:1);

if (hotfix_check_sp_range(win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);

share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE);
if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);

if (
  smb_check_rollup(os:'10',
                   os_build:22000,
                   rollup_date:'10_2021',
                   bulletin:bulletin,
                   rollup_kb_list:[5006674])
)
{
  replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
  hotfix_security_hole();
  hotfix_check_fversion_end();
  exit(0);
}
else
{
  hotfix_check_fversion_end();
  audit(AUDIT_HOST_NOT, hotfix_get_audit_report());
}
VendorProductVersionCPE
microsoftwindowscpe:/o:microsoft:windows

References

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

Low

7.2 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.512 Medium

EPSS

Percentile

97.6%