SB2018021318 - Denial of service in SMB client implementation in Microsoft Windows



SB2018021318 - Denial of service in SMB client implementation in Microsoft Windows

Published: February 13, 2018 Updated: January 10, 2019

Security Bulletin ID SB2018021318
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper input validation (CVE-ID: CVE-2018-0833)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error within Microsoft Server Message Block 2.0 and 3.0 (SMBv2/SMBv3) client, when processing SMB requests. A remote attacker can make the vulnerable system to connect to a malicious SMB serverand perform a denial of service attack.


Remediation

Install update from vendor's website.