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
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2019-10977)
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.