SB2017051003 - Denial of service in Microsoft Windows DNS Server



SB2017051003 - Denial of service in Microsoft Windows DNS Server

Published: May 10, 2017

Security Bulletin ID SB2017051003
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) Denial of service (CVE-ID: CVE-2017-0171)

The vulnerability allows a remote attacker to cause DoS conditions on the target system.

The weakness exists due to incorrect processing of malicious DNS queries by Windows DNS Server. A remote attacker can send specially crafted DNS queries and cause the cause the DNS Server service to become nonresponsive.

Successful exploitation of the vulnerability results in denial of service.

Remediation

Install update from vendor's website.