SB2019052102 - Remote denial of service in Mitsubishi Electric MELSEC-Q Series Ethernet Module

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Main Vulnerability Database SB2019052102

SB2019052102 - Remote denial of service in Mitsubishi Electric MELSEC-Q Series Ethernet Module

Published: May 21, 2019 Updated: May 21, 2019

Security Bulletin ID SB2019052102
CSH 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 vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2019-10977)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to improper input validation within FTP server implementation. A remote attacker can send specially crafted TCP packets to the FTP service, force the device to enter an error mode and perform a denial of service (DoS) attack. Physical reset of the PLC is required to regain device functionality.



Remediation

Install update from vendor's website.

References