Security Updates for Microsoft Office Products (November 2018)

high Nessus Plugin ID 118923

Synopsis

The Microsoft Office Products are affected by multiple vulnerabilities.

Description

The Microsoft Office Products are 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-2018-8539)

- 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 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-2018-8573)

- A remote code execution vulnerability exists in Microsoft Excel 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. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. (CVE-2018-8577)

Solution

Microsoft has released the following security updates to address this issue:
-KB3114565
-KB4022232
-KB4022237
-KB4032218
-KB4461524

See Also

http://www.nessus.org/u?b54ec653

http://www.nessus.org/u?40ae07b8

http://www.nessus.org/u?bf1d296c

http://www.nessus.org/u?33c6fe77

http://www.nessus.org/u?c40d64c8

Plugin Details

Severity: High

ID: 118923

File Name: smb_nt_ms18_nov_office.nasl

Version: 1.9

Type: local

Agent: windows

Published: 11/13/2018

Updated: 7/22/2024

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-2018-8577

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

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 11/13/2018

Vulnerability Publication Date: 11/13/2018

Reference Information

CVE: CVE-2018-8539, CVE-2018-8573, CVE-2018-8577

BID: 105834, 105835, 105836

MSFT: MS18-3114565, MS18-4022232, MS18-4022237, MS18-4032218, MS18-4461524

MSKB: 3114565, 4022232, 4022237, 4032218, 4461524