CVE-2023-43029

6.8 MEDIUM

📋 TL;DR

IBM Storage Virtualize vSphere Remote Plug-in versions 1.0 and 1.1 expose sensitive credential information to remote users after deployment. This vulnerability allows attackers to obtain authentication credentials that could be used to compromise the storage management system. Organizations using these specific plug-in versions with IBM Storage Virtualize in vSphere environments are affected.

💻 Affected Systems

Products:
  • IBM Storage Virtualize vSphere Remote Plug-in
Versions: 1.0 and 1.1
Operating Systems: vSphere environments
Default Config Vulnerable: ⚠️ Yes
Notes: Affects deployments where the plug-in is installed and configured in vSphere environments managing IBM Storage Virtualize systems.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers obtain administrative credentials and gain full control over IBM Storage Virtualize systems, potentially leading to data theft, data destruction, or ransomware deployment across managed storage infrastructure.

🟠

Likely Case

Attackers harvest credentials and use them to access the storage management interface, potentially modifying configurations, accessing sensitive data, or disrupting storage operations.

🟢

If Mitigated

With proper network segmentation and access controls, attackers may obtain credentials but cannot reach the management interface, limiting the impact to credential exposure only.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability allows credential exposure to remote users without authentication, making exploitation straightforward if the system is accessible.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 1.2 or later

Vendor Advisory: https://www.ibm.com/support/pages/node/7228722

Restart Required: Yes

Instructions:

1. Download IBM Storage Virtualize vSphere Remote Plug-in version 1.2 or later from IBM Fix Central. 2. Deploy the updated plug-in to your vSphere environment. 3. Restart the vSphere services or reboot affected systems as required.

🔧 Temporary Workarounds

Network Isolation

all

Restrict network access to the plug-in management interface to only trusted administrative networks.

Configure firewall rules to block external access to the plug-in management port (typically HTTPS)

Credential Rotation

all

Change all credentials used by the plug-in after applying network controls.

Use IBM Storage Virtualize management interface to rotate administrative credentials

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate the plug-in management interface from untrusted networks
  • Monitor for unauthorized access attempts and credential usage in logs

🔍 How to Verify

Check if Vulnerable:

Check the plug-in version in vSphere Client under Plug-in Management or via SSH: grep -i version /opt/ibm/storage_virtualize_plugin/version.txt

Check Version:

cat /opt/ibm/storage_virtualize_plugin/version.txt

Verify Fix Applied:

Confirm version 1.2 or later is installed and test that credential information is no longer exposed to unauthorized remote requests

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to plug-in endpoints
  • Unexpected credential retrieval patterns
  • Authentication failures followed by successful logins from new locations

Network Indicators:

  • Unusual outbound connections from the plug-in host
  • Traffic to plug-in management interface from unauthorized IP ranges

SIEM Query:

source="vsphere_logs" AND (event_type="plugin_access" OR event_type="authentication") AND (src_ip NOT IN trusted_networks)

🔗 References

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