Security Updates for Microsoft Office Viewer Products / Office Compatibility Products (October 2018)

High Nessus Plugin ID 118012

Synopsis

The Microsoft Office Viewer Products are affected by multiple vulnerabilities.

Description

The Microsoft Office Viewer Products are missing security
updates. It is, therefore, affected by multiple
vulnerabilities :

- A remote code execution vulnerability exists in
Microsoft PowerPoint software when the software fails to
properly handle objects in Protected View. An attacker
who successfully exploited the vulnerability could run
arbitrary code in the context of the current user. If
the current user is logged on with administrative user
rights, an attacker could take control of the affected
system. An attacker could then install programs; view,
change, or delete data; or create new accounts with full
user rights. (CVE-2018-8501)

- 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. (CVE-2018-8432)

- An information disclosure vulnerability exists in the
way that Microsoft Graphics Components handle objects in
memory. An attacker who successfully exploited the
vulnerability could obtain information that could be
useful for further exploitation. (CVE-2018-8427)

Solution

Microsoft has released the following security updates to address this issue:
-KB4092444
-KB4092464
-KB4022138

See Also

http://www.nessus.org/u?6fec1d1c

http://www.nessus.org/u?bbf28366

http://www.nessus.org/u?fcb8a25d

Plugin Details

Severity: High

ID: 118012

File Name: smb_nt_ms18_oct_office_viewers.nasl

Version: 1.1

Type: local

Agent: windows

Published: 2018/10/09

Modified: 2018/10/09

Dependencies: 27524, 13855, 57033, 93232

Risk Information

Risk Factor: High

CVSS Score Source: manual

CVSS Score Rationale: Score based on analysis of the vendor advisory.

CVSS v2.0

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS v3.0

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:/a:microsoft:powerpoint, cpe:/a:microsoft:word, cpe:/a:microsoft:excel_viewer

Patch Publication Date: 2018/10/09

Vulnerability Publication Date: 2018/10/09

Reference Information

CVE: CVE-2018-8427, CVE-2018-8432, CVE-2018-8501

MSKB: 4092444, 4092464, 4022138

MSFT: MS18-4092444, MS18-4092464, MS18-4022138