Detections
Analytics

Security Updates for Microsoft SharePoint Server 2019 (January 2023)

high Nessus Plugin ID 169897

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Synopsis

The Microsoft SharePoint Server 2019 installation on the remote host is affected by multiple vulnerabilities.

Description

The Microsoft SharePoint Server 2019 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:

 - A security feature bypass vulnerability exists. An attacker can exploit this and bypass the security feature and perform unauthorized actions compromising the integrity of the system/application.
 (CVE-2023-21743)

 - A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2023-21742, CVE-2023-21744)

Solution

Microsoft has released KB5002329 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5002329

Plugin Details

Severity: High

ID: 169897

File Name: smb_nt_ms23_jan_office_sharepoint_2019.nasl

Version: 1.5

Type: local

Agent: windows

Published: 1/11/2023

Updated: 9/8/2023

Supported Sensors: Frictionless Assessment Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7.4

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

CVSS Score Source: CVE-2023-21744

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:sharepoint_server

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/10/2023

Vulnerability Publication Date: 1/10/2023

Reference Information

CVE: CVE-2023-21742, CVE-2023-21743, CVE-2023-21744

IAVA: 2023-A-0022-S

MSFT: MS23-5002329

MSKB: 5002329