Security Updates for Microsoft Office Web Apps (October 2018)

High Nessus Plugin ID 118013

Synopsis

The Microsoft Office Web Apps installation on the remote host is missing a security update.

Description

The Microsoft Office Web Apps installation on the remote host is missing a security update. It is, therefore, affected by the following vulnerability :

- A remote code execution vulnerability exists in Microsoft Word 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-2018-8504)

Solution

Microsoft has released KB4227167 to address this issue.

See Also

http://www.nessus.org/u?cf5b3f3b

Plugin Details

Severity: High

ID: 118013

File Name: smb_nt_ms18_oct_office_web.nasl

Version: 1.1

Type: local

Agent: windows

Published: 2018/10/09

Modified: 2018/10/09

Dependencies: 84669, 13855, 27524, 57033

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: 8.8

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

Vulnerability Information

CPE: cpe:/a:microsoft:office_web_apps

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Patch Publication Date: 2018/10/09

Vulnerability Publication Date: 2018/10/09

Reference Information

CVE: CVE-2018-8504

MSKB: 4227167

MSFT: MS18-4227167