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Rockwell Automation Arena Simulation Software

Monitor7.8ICS-CERT ICSA-23-131-10May 12, 2023
Attack VectorLocal
Auth RequiredNone
ComplexityLow
User InteractionRequired
Summary

Arena Simulation Software v16.20.01 contains a buffer overflow vulnerability (CWE-119) that allows an attacker with local access and user interaction to execute arbitrary code on the affected machine. The vulnerability is not remotely exploitable and no public exploit is known. No security update is currently available from Rockwell Automation.

What this means
What could happen
An attacker with local access to a machine running Arena Simulation Software could run arbitrary code on that system, potentially compromising simulation integrity or using the machine as a pivot point to access connected control systems or the corporate network.
Who's at risk
Engineers and simulation specialists at utilities and manufacturing facilities who use Rockwell Automation Arena Simulation Software for process modeling and control system analysis. This affects machines used for SCADA simulation, process design, and training environments connected to or near operational control networks.
How it could be exploited
An attacker must trick a user into opening a malicious file or interaction that triggers the buffer overflow in Arena Simulation Software running on a local machine. The overflow allows the attacker to execute arbitrary code with the permissions of the user running the software.
Prerequisites
  • Local access to a machine running Arena Simulation Software v16.20.01
  • User interaction required (file open or action trigger)
  • Arena Simulation Software running on Windows or supported platform
buffer overflow vulnerabilityrequires local access (lower risk but higher impact in engineering environment)user interaction requiredno patch available for current version
Exploitability
Low exploit probability (EPSS 0.6%)
Affected products (1)
ProductAffected VersionsFix Status
Arena Simulation Software: v16.20.0116.20.01No fix yet
Remediation & Mitigation
0/5
Do now
0/1
HARDENINGRestrict file access and user permissions on machines running Arena Simulation Software to only authorized personnel
Schedule — requires maintenance window
0/1

Patching may require device reboot — plan for process interruption

HOTFIXUpgrade Arena Simulation Software to a patched version if available from Rockwell Automation
Long-term hardening
0/3
HARDENINGImplement network segmentation to isolate machines running Arena Simulation Software from the Internet and untrusted networks
HARDENINGApply Rockwell Automation's security best practices and keep all software dependencies updated
HARDENINGUse endpoint protection and monitor for suspicious activity on machines running Arena Simulation Software
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Rockwell Automation Arena Simulation Software | CVSS 7.8 - OTPulse