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, 93232, 57033

Risk Information

Risk Factor: High

CVSS Score Source: manual

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

CVSSv2

Base Score: 9.3

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

CVSSv3

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

Required KB Items: SMB/MS_Bulletin_Checks/Possible

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