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GE Intelligent Platforms Proficy Plant Applications Buffer Overflow

Low RiskICS-CERT ICSA-11-243-01Jun 3, 2011
Summary

A buffer overflow vulnerability exists in GE Intelligent Platforms Proficy Plant Applications version 5.0 and earlier (CWE-119). The vulnerability could allow an attacker with network access to execute arbitrary code on the application server. GE has not released a patch for this issue.

What this means
What could happen
A buffer overflow in GE Proficy Plant Applications could allow an attacker to execute arbitrary code on the application server, potentially disrupting plant monitoring, data logging, and process visualization systems.
Who's at risk
Plant operations and engineering teams using GE Proficy Plant Applications for process monitoring, data collection, and SCADA visualization. This affects any facility relying on Proficy for real-time plant visibility and control information display.
How it could be exploited
An attacker with network access to the Proficy Plant Applications server could send a specially crafted input to trigger the buffer overflow, allowing code execution on the affected system. The attacker would need to reach the vulnerable service port on the application server.
Prerequisites
  • Network access to the Proficy Plant Applications server
  • Knowledge of the vulnerable input format or parameter
  • The vulnerable version (5.0 or earlier) must be deployed
Buffer overflow vulnerabilityNo patch availableAffects industrial monitoring systemsLow exploit probability (EPSS 1%)
Exploitability
Moderate exploit probability (EPSS 1.0%)
Affected products (1)
ProductAffected VersionsFix Status
Proficy Plant Applications: <=5.0≤ 5.0No fix (EOL)
Remediation & Mitigation
0/3
Do now
0/1
HARDENINGImplement network segmentation and firewall rules to restrict access to Proficy Plant Applications servers to only authorized engineering and operations workstations
Schedule — requires maintenance window
0/2

Patching may require device reboot — plan for process interruption

HARDENINGMonitor network traffic to and from Proficy Plant Applications systems for suspicious activity or exploitation attempts
HOTFIXUpgrade to a version newer than 5.0 if available from vendor, or replace the application if the vendor confirms no patch will be released
View full CISA ICS-CERT advisory
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