SB2023021519 - Remote code execution in Microsoft Windows Distributed File System (DFS)



SB2023021519 - Remote code execution in Microsoft Windows Distributed File System (DFS)

Published: February 15, 2023

Security Bulletin ID SB2023021519
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2023-21820)

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

The vulnerability exists due to a boundary error in Windows Distributed File System (DFS). A remote attacker can trick the victim to connect to a malicious remote share, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.