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: 1.3

Type: local

Agent: windows

Published: 10/9/2018

Updated: 11/1/2019

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

CVSS Score Source: CVE-2018-8501

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

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

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 10/9/2018

Vulnerability Publication Date: 10/9/2018

Reference Information

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

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

MSKB: 4022138, 4092444, 4092464