Security Updates for Microsoft Office Viewer Products (January 2018)

High Nessus Plugin ID 105697

Synopsis

The Microsoft Office Viewer 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 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-2018-0796)

- An Office RTF remote code execution vulnerability exists in Microsoft Office software when the Office software fails to properly handle RTF files. 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-2018-0797)

Solution

Microsoft has released the following security updates to address this issue:
-KB4011606
-KB4011641

See Also

http://www.nessus.org/u?7bc74327

http://www.nessus.org/u?de96d39f

Plugin Details

Severity: High

ID: 105697

File Name: smb_nt_ms18_jan_office_viewers.nasl

Version: 1.7

Type: local

Agent: windows

Published: 2018/01/09

Modified: 2018/07/30

Dependencies: 27524, 13855, 57033

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9.3

Temporal Score: 6.9

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/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:word_viewer, cpe:/a:microsoft:excel_viewer

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2018/01/09

Vulnerability Publication Date: 2018/01/09

Reference Information

CVE: CVE-2018-0796, CVE-2018-0797

BID: 102372, 102406

MSKB: 4011606, 4011641

MSFT: MS18-4011606, MS18-4011641

IAVA: 2018-A-0009