SB2020060937 - Remote code execution in Microsoft Windows SMB



SB2020060937 - Remote code execution in Microsoft Windows SMB

Published: June 9, 2020 Updated: April 27, 2023

Security Bulletin ID SB2020060937
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2020-1301)

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

The vulnerability exists due to the way that the Microsoft Server Message Block 1.0 (SMBv1) server handles certain requests. A remote authenticated attacker can send a specially crafted packet to a targeted SMBv1 server and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.