KB5006675: WWindows 10 version 1507 LTS Security Update (October 2021) - Nessus

High Plugin ID: 154041

This page contains detailed information about the KB5006675: WWindows 10 version 1507 LTS Security Update (October 2021) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 154041
Name: KB5006675: WWindows 10 version 1507 LTS Security Update (October 2021)
Filename: smb_nt_ms21_oct_5006675.nasl
Vulnerability Published: 2021-10-12
This Plugin Published: 2021-10-12
Last Modification Time: 2022-01-26
Plugin Version: 1.8
Plugin Type: local
Plugin Family: Windows : Microsoft Bulletins
Dependencies: ms_bulletin_checks_possible.nasl, smb_check_rollup.nasl, smb_hotfixes.nasl
Required KB Items [?]: SMB/MS_Bulletin_Checks/Possible

Vulnerability Information

Severity: High
Vulnerability Published: 2021-10-12
Patch Published: 2021-10-12
CVE [?]: CVE-2021-26441, CVE-2021-26442, CVE-2021-36953, CVE-2021-36970, CVE-2021-38662, CVE-2021-38663, CVE-2021-40443, CVE-2021-40449, CVE-2021-40454, CVE-2021-40455, CVE-2021-40460, CVE-2021-40463, CVE-2021-40465, CVE-2021-40466, CVE-2021-40467, CVE-2021-40470, CVE-2021-40476, CVE-2021-40477, CVE-2021-40478, CVE-2021-40488, CVE-2021-40489, CVE-2021-41331, CVE-2021-41332, CVE-2021-41335, CVE-2021-41338, CVE-2021-41340, CVE-2021-41342, CVE-2021-41343, CVE-2021-41345, CVE-2021-41347
CPE [?]: cpe:/o:microsoft:windows
Exploited by Malware: True

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5006675. It is, therefore, affected by multiple vulnerabilities

Solution

Apply Security Update 5006675

Public Exploits

Target Network Port(s): 139, 445
Target Asset(s): Host/patch_management_checks
Exploit Available: True (Metasploit Framework, GitHub)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the KB5006675: WWindows 10 version 1507 LTS Security Update (October 2021) vulnerability:

Metasploit: exploit/windows/local/cve_2021_40449
[Win32k NtGdiResetDC Use After Free Local Privilege Elevation]
GitHub: https://github.com/Al1ex/WindowsElevation
[CVE-2021-40449]
GitHub: https://github.com/Ascotbe/Kernelhub
[CVE-2021-40449]
GitHub: https://github.com/BL0odz/CVE-2021-40449-NtGdiResetDC-UAF
[CVE-2021-40449]
GitHub: https://github.com/CppXL/cve-2021-40449-poc
[CVE-2021-40449]
GitHub: https://github.com/FunnyWolf/Viper
[CVE-2021-40449]
GitHub: https://github.com/Mr-xn/Penetration_Testing_POC
[CVE-2021-40449]
GitHub: https://github.com/S3cur3Th1sSh1t/WinPwn
[CVE-2021-40449]
GitHub: https://github.com/SamuelTulach/voidmap
[CVE-2021-40449: Using CVE-2021-40449 to manual map kernel mode driver]
GitHub: https://github.com/ollypwn/CallbackHell
[CVE-2021-40449: PoC (DoS) for CVE-2021-40449 - Win32k Elevation of Privilege Vulnerability (LPE)]
GitHub: https://github.com/pipiscrew/timeline
[CVE-2021-40449]
GitHub: https://github.com/robotserves/CVE-2021-40449-Exploit
[CVE-2021-40449]
GitHub: https://github.com/timwhitez/Git-Daily
[CVE-2021-40449]
GitHub: https://github.com/ycdxsb/WindowsPrivilegeEscalation
[CVE-2021-40449]
GitHub: https://github.com/waleedassar/ObpCreateSymbolicLinkName_EoP
[CVE-2021-41335]
GitHub: https://github.com/Mario-Kart-Felix/firewall-cve
[CVE-2021-41338: Windows AppContainer Firewall Rules Security Feature Bypass Vulnerability ...]
GitHub: https://github.com/hakivvi/CVE-2021-40449
[CVE-2021-40449: My exploit for CVE-2021-40449, a Windows LPE via a UAF in ...]
GitHub: https://github.com/Kristal-g/CVE-2021-40449_poc
[CVE-2021-40449: Exploit for CVE-2021-40449]
GitHub: https://github.com/ly4k/CallbackHell
[CVE-2021-40449: Exploit for CVE-2021-40449 - Win32k Elevation of Privilege Vulnerability (LPE)]
GitHub: https://github.com/KaLendsi/CVE-2021-40449-Exploit
[CVE-2021-40449: Windows 10 14393 LPE]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS Score Source [?]: CVE-2021-41345
CVSS V2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:H/RL:OF/RC:C

CVSS Base Score:	7.2 (High)
Impact Subscore:	10.0
Exploitability Subscore:	3.9
CVSS Temporal Score:	6.3 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.3 (Medium)

CVSS V3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CVSS Base Score:	7.8 (High)
Impact Subscore:	5.9
Exploitability Subscore:	1.8
CVSS Temporal Score:	7.5 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	7.5 (High)

STIG Severity [?]: I
STIG Risk Rating: High

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Plugin Source

#%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(154041);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/01/26");

  script_cve_id(
    "CVE-2021-26441",
    "CVE-2021-26442",
    "CVE-2021-36953",
    "CVE-2021-36970",
    "CVE-2021-38662",
    "CVE-2021-38663",
    "CVE-2021-40443",
    "CVE-2021-40449",
    "CVE-2021-40454",
    "CVE-2021-40455",
    "CVE-2021-40460",
    "CVE-2021-40463",
    "CVE-2021-40465",
    "CVE-2021-40466",
    "CVE-2021-40467",
    "CVE-2021-40470",
    "CVE-2021-40476",
    "CVE-2021-40477",
    "CVE-2021-40478",
    "CVE-2021-40488",
    "CVE-2021-40489",
    "CVE-2021-41331",
    "CVE-2021-41332",
    "CVE-2021-41335",
    "CVE-2021-41338",
    "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:"MSKB", value:"5006675");
  script_xref(name:"MSFT", value:"MS21-5006675");

  script_name(english:"KB5006675: WWindows 10 version 1507 LTS 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 5006675. It is, therefore, affected by multiple vulnerabilities");
  script_set_attribute(attribute:"solution", value:
"Apply Security Update 5006675");
  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:L/AC:L/PR:L/UI:N/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:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", 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) 2021-2022 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(
  '5006675'
);

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:10240,
                   rollup_date:'10_2021',
                   bulletin:bulletin,
                   rollup_kb_list:[5006675])
)
{
  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());
}

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/smb_nt_ms21_oct_5006675.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\smb_nt_ms21_oct_5006675.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/smb_nt_ms21_oct_5006675.nasl

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How to Run

Here is how to run the KB5006675: WWindows 10 version 1507 LTS Security Update (October 2021) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select Windows : Microsoft Bulletins plugin family.
On the right side table select KB5006675: WWindows 10 version 1507 LTS Security Update (October 2021) plugin ID 154041.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl smb_nt_ms21_oct_5006675.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a smb_nt_ms21_oct_5006675.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - smb_nt_ms21_oct_5006675.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state smb_nt_ms21_oct_5006675.nasl -t <IP/HOST>

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References

MSKB | Microsoft Knowledge Base:

5006675

MSFT | Microsoft Security Bulletin:

MS21-5006675

IAVA | Information Assurance Vulnerability Alert:

2021-A-0472-S, 2021-A-0475-S

See also:

Similar and related Nessus plugins:

154037 - KB5006667: Windows 10 version 1909 Security Update (October 2021)
154034 - KB5006669: Windows 10 Version 1607 and Windows Server 2016 Security Update (October 2021)
154033 - KB5006670: Windows 10 Version 2004 / Windows 10 Version 20H2 / Windows 10 Version 21H1 October 2021 Security Update
154026 - KB5006672: Windows 10 Version 1809 and Windows Server 2019 Security Update (October 2021)
154042 - KB5006674: Windows 11 Security Update (October 2021)
154029 - KB5006699: Windows Server 2022 Security Update (October 2021)
154043 - KB5006715: Windows Server 2008 Security Update (October 2021)
154035 - KB5006728: Windows 7 and Windows Server 2008 R2 Security Update (October 2021)
154040 - KB5006729: Windows Server 2012 R2 Security Update (October 2021)
154036 - KB5006732: Windows Server 2012 Security Update (October 2021)
154344 - Oracle Java SE 1.7.0_321 / 1.8.0_311 / 1.11.0_13 / 1.17.0_1 Multiple Vulnerabilities (October 2021 CPU)
154345 - Oracle Java SE 1.7.0_321 / 1.8.0_311 / 1.11.0_13 / 1.17.0_1 Multiple Vulnerabilities (Unix October 2021 CPU)
154292 - Oracle MySQL Connectors (October 2021 CPU)
154332 - Oracle Database Server Multiple Vulnerabilities (October 2021 CPU)
154051 - Security Updates for Microsoft Visual Studio Products (October 2021)
149515 - Debian DLA-2663-1 : libimage-exiftool-perl security update
149218 - Debian DSA-4910-1 : libimage-exiftool-perl - security update
155448 - Security Updates for Microsoft Office (November 2021) (macOS)
149550 - openSUSE Security Update : perl-Image-ExifTool (openSUSE-2021-707)
154982 - Security Updates for Microsoft Excel Products (November 2021)
154999 - Security Updates for Exchange (November 2021)
155962 - Security Updates for Exchange (November 2021) (Remote)
155000 - Security Updates for Microsoft Office Products (November 2021)
150692 - Ubuntu 18.04 LTS / 20.04 LTS / 20.10 / 21.04 : ExifTool vulnerability (USN-4987-1)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file smb_nt_ms21_oct_5006675.nasl version 1.8. For more plugins, visit the Nessus Plugin Library.

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KB5006675: WWindows 10 version 1507 LTS Security Update (October 2021) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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