Security Updates for Microsoft Office Web Apps (August 2019)

Critical Nessus Plugin ID 127860

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 Word software when it fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could use a specially crafted file to perform actions in the security context of the current user. For example, the file could then take actions on behalf of the logged-on user with the same permissions as the current user. (CVE-2019-1201, CVE-2019-1205)

Solution

Microsoft has released the following security updates to address this issue:
-KB4462216
-KB4475534

See Also

http://www.nessus.org/u?a016112b

http://www.nessus.org/u?673041f5

Plugin Details

Severity: Critical

ID: 127860

File Name: smb_nt_ms19_aug_office_web.nasl

Version: 1.1

Type: local

Agent: windows

Published: 2019/08/14

Updated: 2019/08/14

Dependencies: 57033, 84669, 13855, 27524, 93232

Risk Information

Risk Factor: Critical

CVSS Score Source: CVE-2019-1201

CVSS v2.0

Base Score: 10

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

CVSS v3.0

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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: 2019/08/13

Vulnerability Publication Date: 2019/08/13

Reference Information

CVE: CVE-2019-1201, CVE-2019-1205

MSKB: 4462216, 4475534

MSFT: MS19-4462216, MS19-4475534