CVE-2024-31872

7.5 HIGH

📋 TL;DR

IBM Security Verify Access Appliance versions 10.0.0 through 10.0.7 have a missing certificate validation vulnerability when deploying Open Source scripts. This allows attackers to conduct man-in-the-middle attacks, potentially intercepting or modifying script deployments. Organizations using these affected appliance versions are at risk.

💻 Affected Systems

Products:
  • IBM Security Verify Access Appliance
Versions: 10.0.0 through 10.0.7
Operating Systems: Appliance OS
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists when deploying Open Source scripts via the appliance's management interface.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers intercept and modify Open Source script deployments to inject malicious code, gaining persistent access to the appliance and potentially compromising the entire identity management infrastructure.

🟠

Likely Case

Attackers intercept script deployments to steal credentials, modify configurations, or deploy backdoors for future exploitation.

🟢

If Mitigated

With proper network segmentation and monitoring, impact is limited to potential script modification detection and remediation.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires network position to intercept traffic and knowledge of script deployment processes.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 10.0.8 or later

Vendor Advisory: https://www.ibm.com/support/pages/node/7147932

Restart Required: Yes

Instructions:

1. Backup current configuration. 2. Download and apply IBM Security Verify Access Appliance version 10.0.8 or later from IBM Fix Central. 3. Restart the appliance. 4. Verify certificate validation is now enforced.

🔧 Temporary Workarounds

Network Segmentation

all

Isolate appliance management traffic to trusted networks only

Script Deployment Monitoring

all

Monitor and audit all Open Source script deployments for anomalies

🧯 If You Can't Patch

  • Implement strict network controls to prevent man-in-the-middle attacks on appliance management traffic
  • Disable or restrict Open Source script deployment capabilities if not required

🔍 How to Verify

Check if Vulnerable:

Check appliance version via admin console: System > About. If version is between 10.0.0 and 10.0.7 inclusive, system is vulnerable.

Check Version:

ssh admin@appliance-ip 'show version' or check via web admin interface

Verify Fix Applied:

After patching, verify version is 10.0.8 or later and test script deployment with invalid certificates to confirm rejection.

📡 Detection & Monitoring

Log Indicators:

  • Failed certificate validation during script deployment
  • Unexpected script deployment sources
  • Multiple script deployment failures

Network Indicators:

  • Unencrypted or improperly encrypted script deployment traffic
  • Suspicious network interception patterns

SIEM Query:

source="ibm-verify-access" AND (event="script_deployment" OR event="certificate_validation") AND result="failure"

🔗 References

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