SB2023111450 - Remote code execution in Microsoft SharePoint Server



SB2023111450 - Remote code execution in Microsoft SharePoint Server

Published: November 14, 2023

Security Bulletin ID SB2023111450
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2023-38177)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft SharePoint Server. A remote administrator on the local network can pass specially crafted input to the application and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.