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Rewterz Threat Advisory – CVE-2019-6579 – Siemens Spectrum Power 4.7 Command Injection Vulnerability
April 12, 2019
Rewterz Threat Advisory – Siemens SINEMA Remote Connect Multiple Privilege Escalation Vulnerabilities
April 12, 2019

Rewterz Threat Advisory – CVE-2019-6575 – Siemens Industrial Products with OPC UA Denial of Service Vulnerability

April 12, 2019

Severity

Medium

Analysis Summary

Specially crafted network packets sent to affected devices on Port 4840/TCP could allow an unauthenticated remote attacker to cause a denial-of-service condition in the OPC communication or crash the device.

An attacker with network access to the affected systems could exploit the vulnerability.

Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the OPC communication.

Impact

  • Uncaught Exception
  • Denial of Service

Affected Vendors

Siemens

Affected Products

  • SIMATIC
  • SINEC-NMS
  • SINEMA
  • SINEMURIK Industrial Control Products with OPC UA
  • SIMATIC CP443-1 OPC UA
  • all versions
  • SIMATIC ET200 Open Controller CPU 1515SP PC2
  • SIMATIC IPC DiagMonitor
  • SIMATIC NET PC Software
  • SIMATIC RF188C
  • SIMATIC RF600R
  • SIMATIC S7-1500 CPU Family
  • v2.5 and prior
  • SIMATIC S7-1500 Software Controller
  • SIMATIC WinCC OA
  • all versions prior to v3.15-P018
  • SIMATIC WinCC Runtime Advanced
  • SIMATIC WinCC Runtime Comfort
  • SIMATIC WinCC Runtime HSP Comfort
  • SIMATIC WinCC Runtime Mobile
  • SINEMA Server
  • SINUMERIK OPC UA Server
  • all versions prior to v2.1
  • TeleControl Server Basic
  • all versions

Remediation

Siemens currently has updates for the following products:

SIMATIC WinCC OA: Update to v3.15-P018
https://www.winccoa.com/news/detail/new-patch-p018-available-for-315.html

SINUMERIK OPC UA Server: Update to v2.1 or newer
https://support.industry.siemens.com/cs/ww/en/view/109746207

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