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nessusThis script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.SMB_NT_MS20_NOV_WORD_C2R.NASL
HistoryJun 10, 2022 - 12:00 a.m.

Security Updates for Microsoft Word Products C2R (November 2020)

2022-06-1000:00:00
This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
22

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.8 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

50.8%

The Microsoft Office Word installation on the remote host is missing a security update. It is, therefore, affected by an unspecified remote code execution vulnerability. An attacker can exploit this vulnerability by tricking a user into opening a specially crafted Office file.

#
# (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(162058);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/01");

  script_cve_id("CVE-2020-17020");
  script_xref(name:"IAVA", value:"2020-A-0563-S");

  script_name(english:"Security Updates for Microsoft Word Products C2R (November 2020)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft Word Products are affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The Microsoft Office Word installation on the remote host is missing a security update. It is, therefore, affected by 
an unspecified remote code execution vulnerability. An attacker can exploit this vulnerability by tricking a user into
opening a specially crafted Office file.");
  # https://docs.microsoft.com/en-us/officeupdates/update-history-microsoft365-apps-by-date
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fd4508ff");
  script_set_attribute(attribute:"solution", value:
"For Office 365, Office 2016 C2R, or Office 2019, ensure automatic
updates are enabled or open any office app and manually perform an
update.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/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:N/UI:R/S:U/C:L/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-2020-17020");

  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:"2020/11/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/11/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/06/10");

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

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

  script_copyright(english:"This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("office_installed.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('vcf_extras_office.inc');

var bulletin = 'MS20-11';

var constraints = [
    {'fixed_version':'16.0.12527.21330','channel': 'Microsoft 365 Apps on Windows 7'},
    {'fixed_version':'16.0.12527.21330','channel': 'Deferred','channel_version': '2002'},
    {'fixed_version':'16.0.11929.20974','channel': 'Deferred'},
    {'fixed_version':'16.0.13127.20760','channel': 'Enterprise Deferred'},
    {'fixed_version':'16.0.13231.20514','channel': 'Enterprise Deferred','channel_version': '2009'},
    {'fixed_version':'16.0.13127.20760','channel': 'First Release for Deferred'},
    {'fixed_version':'16.0.13328.20356','channel': '2016 Retail'},
    {'fixed_version':'16.0.13328.20356','channel': 'Current'},
    {'fixed_version':'16.0.13328.20356','channel': '2019 Retail','channel_version': '2010'},
    {'fixed_version':'16.0.13328.20356','channel': '2019 Retail','channel_version': '2004'},
    {'fixed_version':'16.0.13231.20514','channel': '2019 Retail','channel_version': '2009'},
    {'fixed_version':'16.0.13127.20760','channel': '2019 Retail','channel_version': '2008'},
    {'fixed_version':'16.0.12527.21330','channel': '2019 Retail','channel_version': '2002'},
    {'fixed_version':'16.0.11929.20974','channel': '2019 Retail','channel_version': '1908'},
    {'fixed_version':'16.0.10368.20035','channel': '2019 Volume'},
    {'fixed_version':'16.0.11929.20974','channel': '2019 Retail'}
];

vcf::microsoft::office_product::check_version_and_report(
  constraints:constraints,
  severity:SECURITY_NOTE,
  bulletin:bulletin,
  subproduct:'Word'
);
VendorProductVersionCPE
microsoftwordcpe:/a:microsoft:word

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.8 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

50.8%

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