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Eaton ELCSoft

Monitor6.3ICS-CERT ICSA-18-065-03Mar 6, 2018
Attack VectorNetwork
Auth RequiredNone
ComplexityLow
User InteractionRequired
Summary

Eaton ELCSoft versions 2.04.02 and earlier contain an input validation flaw (CWE-20) that allows remote exploitation with user interaction. An attacker can craft a malicious file that, when opened in ELCSoft, leads to information disclosure, integrity compromise, or availability impact. The attack requires no elevated privileges and is remotely exploitable over the network.

What this means
What could happen
An attacker could trick a user into opening a malicious file that exploits an input validation flaw in ELCSoft, potentially allowing them to read sensitive data, modify engineering configurations, or disrupt the software's operation.
Who's at risk
Eaton ELCSoft users and operators at utilities and industrial facilities that rely on ELCSoft for equipment control logic configuration and maintenance. This affects engineering workstations used to configure and manage Eaton electrical control systems.
How it could be exploited
An attacker crafts a malicious file and sends it to an ELCSoft user (e.g., via email or file sharing). When the user opens the file in ELCSoft, the application fails to properly validate the input, allowing the attacker to execute unintended actions within the software context.
Prerequisites
  • User interaction required (user must open a malicious file)
  • Network access to deliver the malicious file to the target user
remotely exploitableuser interaction required (click-based)input validation flawlow exploit complexity
Exploitability
Moderate exploit probability (EPSS 1.4%)
Affected products (1)
ProductAffected VersionsFix Status
ELCSoft:≤ 2.04.022.04.03 or later
Remediation & Mitigation
0/3
Do now
0/1
HARDENINGImplement email filtering and user awareness training to reduce the likelihood of users opening untrusted files
Schedule — requires maintenance window
0/1

Patching may require device reboot — plan for process interruption

HOTFIXUpdate ELCSoft to the latest firmware version released by Eaton
Long-term hardening
0/1
HARDENINGRestrict file sharing capabilities and access to ELCSoft engineering workstations from external networks
View full CISA ICS-CERT advisory
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