SB2019013007 - Denial of service in Mitsubishi Electric MELSEC-Q Series PLCs



SB2019013007 - Denial of service in Mitsubishi Electric MELSEC-Q Series PLCs

Published: January 30, 2019

Security Bulletin ID SB2019013007
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2019-6535)

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

The vulnerability exists due to resource exhaustion when handling malicious input. A remote attacker can send specific bytes over Port 5007, consume excessive resources and cause Ethernet stack crash.


Remediation

Install update from vendor's website.