Detections
Analytics

Security Updates for Microsoft Excel Products (March 2023)

high Nessus Plugin ID 172522

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Synopsis

The Microsoft Excel Products are affected by multiple vulnerabilities.

Description

The Microsoft Excel Products are missing security updates. They are, therefore, affected by multiple vulnerabilities:

 - A session spoofing vulnerability exists. An attacker can exploit this to perform actions with the privileges of another user. (CVE-2023-23398)

 - A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2023-23399)

Solution

Microsoft has released the following security updates to address this issue:
-KB5002348
 -KB5002351

For Office 365, Office 2016 C2R, or Office 2019, ensure automatic updates are enabled or open any office app and manually perform an update.

See Also

https://support.microsoft.com/en-us/help/5002348

https://support.microsoft.com/en-us/help/5002351

Plugin Details

Severity: High

ID: 172522

File Name: smb_nt_ms23_mar_excel.nasl

Version: 1.4

Type: local

Agent: windows

Published: 3/14/2023

Updated: 5/11/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2023-23399

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:excel

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/14/2023

Vulnerability Publication Date: 3/14/2023

Reference Information

CVE: CVE-2023-23398, CVE-2023-23399

IAVA: 2023-A-0136-S

MSFT: MS23-5002348, MS23-5002351

MSKB: 5002348, 5002351