CVE-2024-48843
📋 TL;DR
This CVE describes a Denial of Service vulnerability in ABB's ASPECT, NEXUS, and MATRIX series products. Attackers can exploit this vulnerability to cause service disruptions in affected industrial control systems. Organizations using these specific ABB products at version 3.08.02 are affected.
💻 Affected Systems
- ABB ASPECT - Enterprise
- ABB NEXUS Series
- ABB MATRIX Series
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete service disruption of industrial control systems leading to operational downtime, production losses, and potential safety implications in critical infrastructure environments.
Likely Case
Temporary service interruptions affecting monitoring and control capabilities of industrial processes.
If Mitigated
Minimal impact with proper network segmentation and monitoring in place to detect and respond to attack attempts.
🎯 Exploit Status
CWE-770 indicates allocation of resources without limits or throttling, suggesting resource exhaustion attacks are possible. The advisory does not specify if authentication is required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in provided reference
Vendor Advisory: https://search.abb.com/library/Download.aspx?DocumentID=9AKK108469A7497&LanguageCode=en&DocumentPartId=&Action=Launch
Restart Required: Yes
Instructions:
1. Review the ABB security advisory for specific patch information. 2. Apply the recommended update from ABB. 3. Restart affected systems. 4. Verify the update was successful.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected systems from untrusted networks to limit attack surface
Access Control Restrictions
allImplement strict network access controls to limit connections to affected systems
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected systems
- Deploy intrusion detection systems to monitor for DoS attack patterns
🔍 How to Verify
Check if Vulnerable:
Check the product version in system administration interface or configuration filesCheck Version:
Check product documentation for version verification methodVerify Fix Applied:
Verify the version number after applying the patch and test system functionality📡 Detection & Monitoring
Log Indicators:
- Unusual resource consumption patterns
- Service interruption logs
- Connection spikes from single sources
Network Indicators:
- Abnormal traffic patterns to industrial control system ports
- Resource exhaustion attempts
SIEM Query:
source="industrial_control_system" AND (event_type="service_stop" OR resource_usage>threshold)