ABB Multiple Components Buffer Overflow
Low RiskICS-CERT ICSA-12-095-01AJan 6, 2012
Summary
ABB multiple components contain buffer overflow vulnerabilities across WebWare Server (Data Collector and Interlink), WebWare SDK, ABB Interlink Module, S4 OPC Server, QuickTeach, RobotStudio S4, and RobotStudio Lite. All versions of these products are affected. No vendor patches are available for any affected product.
What this means
What could happen
An attacker who can reach these ABB engineering and data collection components could execute arbitrary code on affected systems, potentially allowing them to modify robot programs, alter production data, or disrupt robot operations and manufacturing workflows.
Who's at risk
Manufacturing operations using ABB robotics and automation platforms. Specifically affects organizations running WebWare Server for data collection, S4 OPC Server for data integration, RobotStudio for robot programming and commissioning, and ABB Interlink modules for integration and communication. Impacts both production engineers and real-time control systems.
How it could be exploited
An attacker would need network access to one of the vulnerable ABB components (WebWare Server, OPC Server, RobotStudio, or Interlink Module). By sending a specially crafted input that exceeds buffer boundaries, the attacker could trigger the overflow and potentially execute arbitrary commands on the affected system.
Prerequisites
- Network access to the vulnerable ABB component (port and service depends on component type)
- No authentication required to trigger the buffer overflow
- Knowledge of input format expected by the vulnerable code
no patch availablebuffer overflow (memory corruption)affects engineering and production systemsall versions vulnerable
Exploitability
Low exploit probability (EPSS 0.3%)
Affected products (7)
1 pending6 EOL
ProductAffected VersionsFix Status
WebWare Server Data Collector and Interlink: vers:all/*All versionsNo fix yet
WebWare SDK: vers:all/*All versionsNo fix (EOL)
ABB Interlink Module: vers:all/*All versionsNo fix (EOL)
S4 OPC Server: vers:all/*All versionsNo fix (EOL)
QuickTeach: vers:all/*All versionsNo fix (EOL)
RobotStudio S4: vers:all/*All versionsNo fix (EOL)
RobotStudio Lite: vers:all/*All versionsNo fix (EOL)
Remediation & Mitigation
0/4
Do now
0/1WORKAROUNDDeploy network-based intrusion detection or firewall rules to block unexpected connections to WebWare, OPC Server, and Interlink components
Schedule — requires maintenance window
0/1Patching may require device reboot — plan for process interruption
WORKAROUNDMonitor for abnormal process behavior on systems running vulnerable ABB components
Mitigations - no patch available
0/2The following products have reached End of Life with no planned fix: WebWare SDK: vers:all/*, ABB Interlink Module: vers:all/*, S4 OPC Server: vers:all/*, QuickTeach: vers:all/*, RobotStudio S4: vers:all/*, RobotStudio Lite: vers:all/*. Apply the following compensating controls:
HARDENINGImplement network segmentation to restrict access to ABB engineering workstations and data collection servers from untrusted networks
HARDENINGIsolate affected ABB systems on a dedicated VLAN with strict ingress/egress filtering
CVEs (1)
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