Security Updates for Microsoft Office Web Apps (May 2018)

high Nessus Plugin ID 109618

Language:

Synopsis

The Microsoft Office Web Apps installation on the remote host is affected by multiple vulnerabilities.

Description

The Microsoft Office Web Apps installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities :

- A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. 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-2018-8161)

- An information disclosure vulnerability exists in Outlook when a message is opened. This vulnerability could potentially result in the disclosure of sensitive information to a malicious site. (CVE-2018-8160)

Solution

Microsoft has released the following security updates to address this issue:
-KB4022142
-KB4018393

Plugin Details

Severity: High

ID: 109618

File Name: smb_nt_ms18_may_office_web.nasl

Version: 1.5

Type: local

Agent: windows

Family: Windows : Microsoft Bulletins

Published: 5/9/2018

Updated: 12/11/2020

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-2018-8161

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

Vulnerability Information

CPE: cpe:/a:microsoft:office_web_apps

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 5/8/2018

Vulnerability Publication Date: 5/8/2018

Reference Information

CVE: CVE-2018-8160, CVE-2018-8161

BID: 104051, 104052

IAVA: 2018-A-0151-S

MSFT: MS18-4018393, MS18-4022142

MSKB: 4018393, 4022142

Detections

Analytics