SB2020021208 - Denial of service in Siemens SIMATIC PCS 7, SIMATIC WinCC, and SIMATIC NET PC



SB2020021208 - Denial of service in Siemens SIMATIC PCS 7, SIMATIC WinCC, and SIMATIC NET PC

Published: February 12, 2020

Security Bulletin ID SB2020021208
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) Buffer overflow (CVE-ID: CVE-2019-19282)

CWE-ID: CWE-119 - Memory corruption

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 a boundary error when processing messages. A remote attacker can send a specially crafted messages, trigger memory corruption and cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.