SB2018031321 - Multiple vulnerabilities in Microsoft Hyper-V 



SB2018031321 - Multiple vulnerabilities in Microsoft Hyper-V

Published: March 13, 2018

Security Bulletin ID SB2018031321
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2018-0885)

The vulnerability allows an adjacent attacker to cause DoS condition on the target system.

The weakness exists in Microsoft Hyper-V Network Switch on a host server due to insufficient input validation. An adjacent attacker can run a specially crafted application and cause a host machine to crash.


2) Information disclosure (CVE-ID: CVE-2018-0888)

The vulnerability allows an adjacent attacker to obtain potentially sensitive information on the target system.

The weakness exists in Microsoft Hyper-V Network on a host operating system due to insufficient input validation. An adjacent attacker can run a specially crafted application and gain access to arbitrary data.


Remediation

Install update from vendor's website.