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
97.0%
The Microsoft Office 2016 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 Excel software when the software fails to properly handle objects in memory.
An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. The security update addresses the vulnerability by correcting how Microsoft Excel handles objects in memory.
#
# (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(109016);
script_version("1.3");
script_cvs_date("Date: 2019/11/08");
script_cve_id("CVE-2018-1029");
script_name(english:"Security Update for Microsoft Office (April 2018) (macOS)");
script_summary(english:"Checks the version of Microsoft Office.");
script_set_attribute(attribute:"synopsis", value:
"An application installed on the remote macOS or Mac OS X host is
affected by a remote code execution vulnerability.");
script_set_attribute(attribute:"description", value:
"The Microsoft Office 2016 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 Excel
software when the software fails to properly handle objects in memory.
An attacker who successfully exploited the vulnerability could run
arbitrary code in the context of the current user. The security update
addresses the vulnerability by correcting how Microsoft Excel handles
objects in memory.");
# https://support.office.com/en-us/article/release-notes-for-office-2016-for-mac-ed2da564-6d53-4542-9954-7e3209681a41?ui=en-US&rs=en-US&ad=US
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f07d9218");
# https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-1029
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6c1e305a");
script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Microsoft Office 2016 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-2018-1029");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/04/10");
script_set_attribute(attribute:"patch_publication_date", value:"2018/04/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/04/12");
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_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"MacOS X Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2018-2019 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/Office for Mac 2016 ", "installed_sw/Microsoft Excel");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("install_func.inc");
os = get_kb_item("Host/MacOSX/Version");
if (!os) audit(AUDIT_OS_NOT, "Mac OS X");
apps = make_list(
"Office for Mac 2016",
"Microsoft Excel"
);
report = "";
foreach app (apps)
{
installs = get_installs(app_name:app);
if (isnull(installs[1])) continue;
foreach install (installs[1])
{
version = install['version'];
app_label = app;
fix = NULL;
fix_disp = NULL;
if (version =~ "^16\.")
{
app_label += " for Mac 2016";
fix = '16.12.0';
fix_disp = '16.12 (18041000)';
}
if (fix && ver_compare(ver:version, fix:fix, strict:FALSE) < 0)
{
report +=
'\n Product : ' + app_label +
'\n Installed version : ' + version +
'\n Fixed version : ' + fix_disp;
fix_disp = '';
if (os =~ "^Mac OS X 10\.[0-9](\.|$)")
report += '\n Note : Update will require Mac OS X 10.10.0 or later.\n';
else report += '\n';
}
}
}
# Report findings.
if (!empty(report))
security_report_v4(severity:SECURITY_HOLE, port:0, extra:report);
else
audit(AUDIT_HOST_NOT, "affected");
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
97.0%