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nessusThis script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.SMB_NT_MS21_JUL_5004238.NASL
HistoryJul 13, 2021 - 12:00 a.m.

KB5004238: Windows 10 Version 1607 / Windows Server 2016 Security Update (July 2021)

2021-07-1300:00:00
This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
41
vulnerabilities
security update
exploits
microsoft
windows 10
windows server 2016

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

9.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.8

Confidence

Low

EPSS

0.952

Percentile

99.4%

The remote Windows host is missing security update 5004238. 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(151592);
  script_version("1.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/17");

  script_cve_id(
    "CVE-2021-31183",
    "CVE-2021-31979",
    "CVE-2021-33745",
    "CVE-2021-33746",
    "CVE-2021-33749",
    "CVE-2021-33750",
    "CVE-2021-33751",
    "CVE-2021-33752",
    "CVE-2021-33754",
    "CVE-2021-33756",
    "CVE-2021-33757",
    "CVE-2021-33758",
    "CVE-2021-33759",
    "CVE-2021-33761",
    "CVE-2021-33763",
    "CVE-2021-33764",
    "CVE-2021-33765",
    "CVE-2021-33771",
    "CVE-2021-33773",
    "CVE-2021-33779",
    "CVE-2021-33780",
    "CVE-2021-33782",
    "CVE-2021-33783",
    "CVE-2021-33786",
    "CVE-2021-33788",
    "CVE-2021-34439",
    "CVE-2021-34440",
    "CVE-2021-34441",
    "CVE-2021-34442",
    "CVE-2021-34444",
    "CVE-2021-34446",
    "CVE-2021-34447",
    "CVE-2021-34448",
    "CVE-2021-34454",
    "CVE-2021-34455",
    "CVE-2021-34456",
    "CVE-2021-34457",
    "CVE-2021-34458",
    "CVE-2021-34459",
    "CVE-2021-34460",
    "CVE-2021-34462",
    "CVE-2021-34476",
    "CVE-2021-34491",
    "CVE-2021-34492",
    "CVE-2021-34493",
    "CVE-2021-34494",
    "CVE-2021-34496",
    "CVE-2021-34497",
    "CVE-2021-34498",
    "CVE-2021-34499",
    "CVE-2021-34500",
    "CVE-2021-34504",
    "CVE-2021-34507",
    "CVE-2021-34509",
    "CVE-2021-34511",
    "CVE-2021-34512",
    "CVE-2021-34514",
    "CVE-2021-34516",
    "CVE-2021-34525"
  );
  script_xref(name:"MSKB", value:"5004238");
  script_xref(name:"MSFT", value:"MS21-5004238");
  script_xref(name:"IAVA", value:"2021-A-0319-S");
  script_xref(name:"IAVA", value:"2021-A-0318-S");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/11/17");

  script_name(english:"KB5004238: Windows 10 Version 1607 / Windows Server 2016 Security Update (July 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 5004238. It is, therefore, affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"solution", value:
"Apply Cumulative Update 5004238");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:L/UI:N/S:C/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-2021-34448");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2021-34458");

  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:"vuln_publication_date", value:"2021/07/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/07/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/07/13");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows_10_1607");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows_server_2016");
  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) 2021-2024 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 = 'MS21-07';
kbs = make_list(
  '5004238'
);

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:14393,
                   rollup_date:'07_2021',
                   bulletin:bulletin,
                   rollup_kb_list:[5004238])
)
{
  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());
}

References

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

9.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.8

Confidence

Low

EPSS

0.952

Percentile

99.4%