CVE-2022-43904

7.5 HIGH

📋 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

Products:
  • IBM Security Guardium
Versions: 11.3 and 11.4
Operating Systems: Not OS-specific - affects Guardium appliance/software
Default Config Vulnerable: ⚠️ Yes
Notes: Affects Guardium installations with web management interface enabled. Earlier versions may also be affected but not officially listed.

📦 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.

🌐 Internet-Facing: HIGH if Guardium web interface is exposed to internet, as attackers can directly attempt brute force attacks.
🏢 Internal Only: MEDIUM as internal attackers could still exploit this, but requires network access to Guardium interface.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

all

Restrict 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

all

Implement 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

🔗 References

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