CVE-2023-30999
📋 TL;DR
This vulnerability in IBM Security Access Manager Container allows attackers to cause denial of service through uncontrolled resource consumption. It affects IBM Security Verify Access Appliance and Docker versions 10.0.0.0 through 10.0.6.1. Attackers can exhaust system resources, making services unavailable to legitimate users.
💻 Affected Systems
- IBM Security Verify Access Appliance
- IBM Security Verify Access Docker
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete service outage where affected IBM Security Access Manager becomes unresponsive, disrupting authentication and access management services for all dependent applications.
Likely Case
Degraded performance or intermittent service disruptions as system resources are consumed, affecting user authentication and access control operations.
If Mitigated
Minimal impact with proper network segmentation and resource monitoring in place, allowing quick detection and mitigation of resource exhaustion attempts.
🎯 Exploit Status
Resource consumption attacks typically require minimal technical sophistication. No authentication required based on CWE-400 classification.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.0.6.2 and later
Vendor Advisory: https://www.ibm.com/support/pages/node/7106586
Restart Required: Yes
Instructions:
1. Download IBM Security Verify Access version 10.0.6.2 or later from IBM Fix Central. 2. Backup current configuration. 3. Apply the update following IBM's upgrade documentation. 4. Restart the service/container. 5. Verify functionality.
🔧 Temporary Workarounds
Resource Limiting
linuxImplement container resource limits to prevent complete resource exhaustion
docker update --memory=2g --memory-swap=4g --cpus=2 container_name
Network Segmentation
linuxRestrict network access to IBM Security Access Manager instances
iptables -A INPUT -p tcp --dport <port> -s trusted_network -j ACCEPT
iptables -A INPUT -p tcp --dport <port> -j DROP
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to trusted sources only.
- Deploy monitoring and alerting for unusual resource consumption patterns with automated response capabilities.
🔍 How to Verify
Check if Vulnerable:
Check current version via IBM Security Access Manager admin interface or run: docker inspect container_name | grep -i versionCheck Version:
docker inspect --format='{{.Config.Image}}' container_name | grep -o '10\.[0-9]\.[0-9]\.[0-9]'Verify Fix Applied:
Confirm version is 10.0.6.2 or later and monitor for abnormal resource consumption patterns post-update.📡 Detection & Monitoring
Log Indicators:
- Unusual increase in connection attempts
- Resource exhaustion warnings in system logs
- High CPU/memory usage alerts
Network Indicators:
- Abnormal traffic patterns to IBM Security Access Manager ports
- Multiple connection attempts from single sources
SIEM Query:
source="ibm_security_access" AND (message="resource exhaustion" OR message="high memory" OR message="high cpu")