Security Updates for Microsoft PowerPoint Products (December 2018)

high Nessus Plugin ID 119599
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The Microsoft PowerPoint Products are missing a security update.

Description

The Microsoft PowerPoint Products are missing a security update. It is, therefore, affected by the following vulnerability :

- A remote code execution vulnerability exists in Microsoft PowerPoint 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-2018-8628)

Solution

Microsoft has released the following security updates to address this issue:
-KB4461532
-KB4461481
-KB4461521

See Also

http://www.nessus.org/u?b17533f5

http://www.nessus.org/u?5d7c9df6

http://www.nessus.org/u?40560634

Plugin Details

Severity: High

ID: 119599

File Name: smb_nt_ms18_dec_powerpoint.nasl

Version: 1.5

Type: local

Agent: windows

Published: 12/11/2018

Updated: 12/13/2019

Dependencies: office_installed.nasl, microsoft_office_compatibility_pack_installed.nbin, smb_hotfixes.nasl, ms_bulletin_checks_possible.nasl

Risk Information

CVSS Score Source: CVE-2018-8628

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

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

Vulnerability Information

CPE: cpe:/a:microsoft:powerpoint

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 12/11/2018

Vulnerability Publication Date: 12/11/2018

Reference Information

CVE: CVE-2018-8628

MSKB: 4461532, 4461481, 4461521

MSFT: MS18-4461532, MS18-4461481, MS18-4461521