SB2019021224 - Denial of service in Siemens EN100 Ethernet Communication Module and SIPROTEC 5



SB2019021224 - Denial of service in Siemens EN100 Ethernet Communication Module and SIPROTEC 5

Published: February 12, 2019

Security Bulletin ID SB2019021224
CSH 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 vulnerability.


1) Input validation error (CVE-ID: CVE-2018-16563)

CWE-ID: CWE-20 - Improper input validation

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:Clear


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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can supply specially crafted packets to Port 102/TCP and cause the service to crash.


Remediation

Install update from vendor's website.