CVE-2022-43904
📋 TL;DR
IBM Security Guardium versions 11.3 and 11.4 have an authentication flaw that allows attackers to bypass rate limiting on login attempts. This enables brute force attacks that could compromise user credentials and access sensitive data. Organizations using these Guardium versions are affected.
💻 Affected Systems
- IBM Security Guardium
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative access to Guardium, compromising all monitored database security data, potentially leading to data exfiltration or system takeover.
Likely Case
Attackers brute force user credentials to access sensitive database audit logs and security configurations.
If Mitigated
With proper network segmentation and monitoring, impact is limited to failed login attempts being detected before successful compromise.
🎯 Exploit Status
Exploitation requires access to login interface but uses standard brute force techniques. No authentication needed to attempt attacks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply interim fix or upgrade to version with fix (check IBM advisory for specific versions)
Vendor Advisory: https://www.ibm.com/support/pages/node/7028509
Restart Required: Yes
Instructions:
1. Review IBM advisory for specific patch versions. 2. Download appropriate fix from IBM Fix Central. 3. Apply patch following Guardium update procedures. 4. Restart Guardium services as required.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict access to Guardium management interface to trusted IP addresses only
Configure firewall rules to allow only specific source IPs to Guardium ports (typically 8443 for HTTPS)
Enhanced Monitoring
allImplement aggressive monitoring for failed login attempts
Configure Guardium audit policies to alert on multiple failed logins from single source
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Guardium from untrusted networks
- Enable multi-factor authentication if supported, or implement compensating controls like account lockout policies
🔍 How to Verify
Check if Vulnerable:
Check Guardium version via web interface (Admin > About) or CLI command 'grdapi getVersion'
Check Version:
grdapi getVersion
Verify Fix Applied:
Verify patch installation via Guardium patch management interface or check version after update
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts from single IP address
- Unusual authentication patterns outside business hours
Network Indicators:
- High volume of HTTP POST requests to login endpoints
- Traffic from unexpected geographic locations to Guardium interface
SIEM Query:
source="guardium" (event_type="authentication_failure") | stats count by src_ip | where count > 10