Security Update for Microsoft Office (October 2018) (macOS)

high Nessus Plugin ID 118309
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

An application installed on the remote macOS or Mac OS X host is affected by remote code execution vulnerability.

Description

The Microsoft Office application installed on the remote macOS or Mac OS X host is missing a security update. It is, therefore, affected by the following vulnerability:

- A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code on a target system. To exploit the vulnerability, a user would have to open a specially crafted file. The security update addresses the vulnerability by correcting how Microsoft Graphics Components handle objects in memory.(CVE-2018-8432)

Solution

Microsoft has released a set of patches for Microsoft Office for Mac.

See Also

http://www.nessus.org/u?2602191f

http://www.nessus.org/u?bd0f0cef

Plugin Details

Severity: High

ID: 118309

File Name: macos_ms18_oct_office.nasl

Version: 1.5

Type: local

Agent: macosx

Published: 10/22/2018

Updated: 11/1/2019

Dependencies: macosx_office_installed.nbin

Risk Information

CVSS Score Source: CVE-2018-8432

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:apple:mac_os_x, cpe:/a:microsoft:office, cpe:/a:microsoft:excel_for_mac, cpe:/a:microsoft:excel, cpe:/a:microsoft:powerpoint, cpe:/a:microsoft:outlook, cpe:/a:microsoft:onenote

Required KB Items: Host/MacOSX/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 10/17/2018

Vulnerability Publication Date: 10/17/2018

Reference Information

CVE: CVE-2018-8432

BID: 105458