SB2018102517 - Denial of service in Siemens SIMATIC S7-1500 CPU

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2018102517

SB2018102517 - Denial of service in Siemens SIMATIC S7-1500 CPU

Published: October 25, 2018 Updated: February 6, 2019

Security Bulletin ID SB2018102517
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
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 2 vulnerabilities.


1) Input validation error (CVE-ID: CVE-2018-16558)

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 send specially crafted network packets to Port 80/tcp or 443/tcp and cause a denial of service on the device.


2) Input validation error (CVE-ID: CVE-2018-16559)

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 cansend specially crafted network packets to Port 80/tcp or 443/tcp and cause a denial of service on the device.


Remediation

Install update from vendor's website.

References