CVSS2
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
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
86.9%
The Microsoft Office application installed on the remote macOS or Mac OS X host is missing a security update. It is, therefore, affected by a remote code execution vulnerability in Microsoft Word software due to failure to properly handle objects in memory. An attacker could use a specially crafted file to perform actions in the security context of the current user. To exploit this issue, an attacker would have to convince the user to click a link, typically by way of an enticement in an email or Instant Messenger message, and then convince the user to open the specially crafted 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(135589);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/12/11");
script_cve_id("CVE-2020-0980");
script_xref(name:"IAVA", value:"2020-A-0142-S");
script_name(english:"Security Updates for Microsoft Office Products (April 2020) (macOS)");
script_set_attribute(attribute:"synopsis", value:
"An application installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.");
script_set_attribute(attribute:"description", value:
"The Microsoft Office application installed on the remote macOS or
Mac OS X host is missing a security update. It is, therefore, affected
by a remote code execution vulnerability in Microsoft Word software
due to failure to properly handle objects in memory. An attacker could
use a specially crafted file to perform actions in the security
context of the current user. To exploit this issue, an attacker
would have to convince the user to click a link, typically by way of
an enticement in an email or Instant Messenger message, and then
convince the user to open the specially crafted file.");
# https://docs.microsoft.com/en-us/officeupdates/release-notes-office-for-mac
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?17ce16bb");
# https://docs.microsoft.com/en-us/officeupdates/release-notes-office-2016-mac
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?dae26676");
script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Microsoft Office for Mac.");
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:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-0980");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/04/14");
script_set_attribute(attribute:"patch_publication_date", value:"2020/04/14");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/15");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:mac_os_x");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:excel");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:word");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:powerpoint");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:outlook");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:onenote");
script_set_attribute(attribute:"stig_severity", value:"II");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"MacOS X Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("macosx_office_installed.nbin");
script_require_keys("Host/MacOSX/Version");
script_require_ports("installed_sw/Microsoft Word", "installed_sw/Microsoft Excel", "installed_sw/Microsoft PowerPoint", "installed_sw/Microsoft OneNote", "installed_sw/Microsoft Outlook");
exit(0);
}
include('audit.inc');
include('global_settings.inc');
include('misc_func.inc');
include('install_func.inc');
os = get_kb_item_or_exit('Host/MacOSX/Version');
apps = make_list(
'Microsoft Word'
);
report = '';
#2016
min_ver_16 = '16';
fix_ver_16 = '16.16.21';
fix_disp_16 = '16.16.21 (20041301)';
#2019
min_ver_19 = '16.17.0';
fix_ver_19 = '16.36';
fix_disp_19 = '16.36 (20041300)';
foreach app (apps)
{
installs = get_installs(app_name:app);
if (isnull(installs[1]))
continue;
foreach install (installs[1])
{
version = install['version'];
if (ver_compare(ver:version, minver:min_ver_19, fix:fix_ver_19, strict:FALSE) < 0)
{
app_label = app + ' for Mac 2019';
report +=
'\n\n Product : ' + app_label +
'\n Installed version : ' + version +
'\n Fixed version : ' + fix_disp_19;
}
else if (ver_compare(ver:version, minver:min_ver_16, fix:fix_ver_16, strict:FALSE) < 0)
{
app_label = app + ' for Mac 2016';
report +=
'\n\n Product : ' + app_label +
'\n Installed version : ' + version +
'\n Fixed version : ' + fix_disp_16;
}
}
}
if (empty(report))
audit(AUDIT_HOST_NOT, 'affected');
if (os =~ "^Mac OS X 10\.[0-9](\.|$)")
report += '\n Note : Update will require Mac OS X 10.10.0 or later.\n';
security_report_v4(severity:SECURITY_HOLE, port:0, extra:report);
CVSS2
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
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
86.9%