SB20170314145 - Hyper-V vSMB Remote Code Execution Vulnerability



SB20170314145 - Hyper-V vSMB Remote Code Execution Vulnerability

Published: March 14, 2017

Security Bulletin ID SB20170314145
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Privilege escalation (CVE-ID: CVE-2017-0095)

The vulnerability allows a remote attacker with access to guest operating system to execute arbitrary code on the host system.

The vulnerability exists due to input validation error when processing SMB packets in Windows Hyper-V. A remote attacker with access to guest system can send specially crafted SMB packets to the host system and execute arbitrary code on the host system.

Successful exploitation of this vulnerability may allow an attacker to compromise the host system.


Remediation

Install update from vendor's website.