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LCDS - Leão Consultoria e Desenvolvimento de Sistemas Ltda ME LAquis SCADA

Plan Patch7.8ICS-CERT ICSA-18-289-01Oct 16, 2018
Attack VectorLocal
Auth RequiredNone
ComplexityLow
User InteractionRequired
Summary

LAquis SCADA Smart Security Manager versions 4.1.0.3870 and earlier contain multiple memory corruption vulnerabilities (CWE-125, CWE-787, CWE-121), a path traversal vulnerability (CWE-22), and an integer overflow (CWE-680). These flaws could allow a local attacker to execute arbitrary code, crash the system, or write controlled content to the target system. The affected product is used in energy sector SCADA environments for system monitoring and management. Successful exploitation could alter process data, stop operations, or compromise system integrity. A fixed version (4.1.0.4114) has been released by the vendor. No known public exploits exist at this time.

What this means
What could happen
An attacker with local access to a system running LAquis SCADA could execute arbitrary code, crash the system, or modify data, potentially disrupting energy generation or distribution operations.
Who's at risk
Energy utilities and generation facilities using LAquis SCADA Smart Security Manager for monitoring and control. The vulnerability requires local access, so systems on isolated engineering networks are primarily at risk, but the impact—if exploited—could disrupt power operations or data integrity.
How it could be exploited
An attacker must have local access to a machine running LAquis SCADA Smart Security Manager (version 4.1.0.3870 or earlier). They would trigger one of the memory corruption or path traversal vulnerabilities (CWE-125, CWE-787, CWE-121, CWE-22) through user interaction or a crafted input to execute arbitrary code or write files to the system.
Prerequisites
  • Local access to a system running LAquis SCADA Smart Security Manager version 4.1.0.3870 or earlier
  • User interaction may be required to trigger the vulnerability (CWE-680 indicates UI component involved)
Local access required (limits risk)Memory corruption vulnerabilities presentPath traversal vulnerability presentNo patch available yet (users remain vulnerable until update)SCADA system impact
Exploitability
Moderate exploit probability (EPSS 7.4%)
Affected products (1)
ProductAffected VersionsFix Status
Smart Security Manager:≤ 4.1.0.3870Version 4.1.0.4114 or later
Remediation & Mitigation
0/4
Schedule — requires maintenance window
0/1

Patching may require device reboot — plan for process interruption

HOTFIXUpdate LAquis SCADA Smart Security Manager to version 4.1.0.4114 or later
Long-term hardening
0/3
HARDENINGIsolate LAquis SCADA systems and engineering workstations from the Internet and business network using firewalls
HARDENINGLimit local access to LAquis SCADA Smart Security Manager systems to authorized personnel only
HARDENINGIf remote access to LAquis SCADA systems is required, use a VPN with current security patches
View full CISA ICS-CERT advisory
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