Security Updates for Microsoft Office Web Apps (August 2019)

high 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: High

ID: 127860

File Name: smb_nt_ms19_aug_office_web.nasl

Version: 1.2

Type: local

Agent: windows

Published: 8/14/2019

Updated: 10/17/2019

Supported Sensors: 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-2019-1205

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: 8/13/2019

Vulnerability Publication Date: 8/13/2019

Reference Information

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

MSFT: MS19-4462216, MS19-4475534

MSKB: 4462216, 4475534