Security Updates for Microsoft SharePoint Server Subscription Edition (July 2023)

high Nessus Plugin ID 178170

Synopsis

The Microsoft SharePoint Server Subscription Edition installation on the remote host is missing a security update.

Description

The Microsoft SharePoint Server Subscription Edition installation on the remote host is missing security updates. 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-2023-33165)
- A session spoofing vulnerability exists. An attacker can exploit this to perform actions with the privileges of another user. (CVE-2023-33159)
- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2023-33134, CVE-2023-33157, CVE-2023-33160)

Solution

Microsoft has released KB5002424 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5002424

Plugin Details

Severity: High

ID: 178170

File Name: smb_nt_ms23_jul_office_sharepoint_subscr.nasl

Version: 1.3

Type: local

Agent: windows

Published: 7/11/2023

Updated: 8/11/2023

Supported Sensors: Frictionless Assessment Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2023-33159

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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:U/RL:O/RC:C

CVSS Score Source: CVE-2023-33160

Vulnerability Information

CPE: cpe:/a:microsoft:sharepoint_server

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 7/11/2023

Vulnerability Publication Date: 7/11/2023

Reference Information

CVE: CVE-2023-33134, CVE-2023-33157, CVE-2023-33159, CVE-2023-33160, CVE-2023-33165

IAVA: 2023-A-0342-S

MSFT: MS23-5002424

MSKB: 5002424