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nessusThis script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.SMB_NT_MS20_NOV_4586793.NASL
HistoryNov 10, 2020 - 12:00 a.m.

KB4586793: Windows 10 Version 1809 and Windows Server 2019 November 2020 Security Update

2020-11-1000:00:00
This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
132

CVSS2

10

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.8

Confidence

Low

EPSS

0.365

Percentile

97.2%

The Windows installation on the remote host is missing security update 4586781. It is, therefore, affected by multiple vulnerabilities. Please review the vendor advisory for more details.

#
# (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('compat.inc');

if (description)
{
  script_id(142693);
  script_version("1.12");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/17");

  script_cve_id(
    "CVE-2020-1599",
    "CVE-2020-16997",
    "CVE-2020-16998",
    "CVE-2020-17000",
    "CVE-2020-17001",
    "CVE-2020-17004",
    "CVE-2020-17007",
    "CVE-2020-17011",
    "CVE-2020-17013",
    "CVE-2020-17014",
    "CVE-2020-17024",
    "CVE-2020-17025",
    "CVE-2020-17026",
    "CVE-2020-17027",
    "CVE-2020-17028",
    "CVE-2020-17029",
    "CVE-2020-17030",
    "CVE-2020-17031",
    "CVE-2020-17032",
    "CVE-2020-17033",
    "CVE-2020-17034",
    "CVE-2020-17035",
    "CVE-2020-17036",
    "CVE-2020-17038",
    "CVE-2020-17040",
    "CVE-2020-17041",
    "CVE-2020-17042",
    "CVE-2020-17043",
    "CVE-2020-17044",
    "CVE-2020-17045",
    "CVE-2020-17046",
    "CVE-2020-17047",
    "CVE-2020-17049",
    "CVE-2020-17051",
    "CVE-2020-17052",
    "CVE-2020-17053",
    "CVE-2020-17055",
    "CVE-2020-17056",
    "CVE-2020-17057",
    "CVE-2020-17058",
    "CVE-2020-17068",
    "CVE-2020-17069",
    "CVE-2020-17070",
    "CVE-2020-17071",
    "CVE-2020-17075",
    "CVE-2020-17077",
    "CVE-2020-17087",
    "CVE-2020-17088",
    "CVE-2020-17090"
  );
  script_xref(name:"MSKB", value:"4586793");
  script_xref(name:"MSFT", value:"MS20-4586793");
  script_xref(name:"IAVA", value:"2020-A-0512-S");
  script_xref(name:"IAVA", value:"2020-A-0513-S");
  script_xref(name:"IAVA", value:"2020-A-0518-S");
  script_xref(name:"IAVA", value:"2020-A-0521-S");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/05/03");
  script_xref(name:"CEA-ID", value:"CEA-2020-0135");
  script_xref(name:"CEA-ID", value:"CEA-2020-0124");

  script_name(english:"KB4586793: Windows 10 Version 1809 and Windows Server 2019 November 2020 Security Update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The Windows installation on the remote host is missing security update 4586781. It is, therefore,
 affected by multiple vulnerabilities. Please review the vendor advisory for more details.");
  # https://support.microsoft.com/en-us/help/4586793/windows-10-update-kb4586793
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?92d059c3");
  script_set_attribute(attribute:"solution", value:
"Apply Cumulative Update KB4586793.");
  script_set_cvss_base_vector("CVSS2#AV:N/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: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-2020-17051");

  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:"2020/11/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/11/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/11/10");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows_10_1809");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows_server_2019");
  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) 2020-2024 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("audit.inc");
include("smb_hotfixes_fcheck.inc");
include("smb_hotfixes.inc");
include("smb_func.inc");
include("misc_func.inc");

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = "MS20-11";
kbs = make_list('4586793');

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",
                   sp:0,
                   os_build:"17763",
                   rollup_date:"11_2020",
                   bulletin:bulletin,
                   rollup_kb_list:[4586793])
)
{
  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
microsoftwindows_server_2019cpe:/o:microsoft:windows_server_2019
microsoftwindows_10_1809cpe:/o:microsoft:windows_10_1809

References

CVSS2

10

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.8

Confidence

Low

EPSS

0.365

Percentile

97.2%