CVE-2023-30430
📋 TL;DR
This vulnerability in IBM Security Verify Access allows local users to access sensitive information from trace logs. It affects versions 10.0.0 through 10.0.7.1. The exposure could include credentials, configuration details, or other sensitive data.
💻 Affected Systems
- IBM Security Verify Access
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Local attackers obtain administrative credentials or sensitive configuration data, leading to privilege escalation or lateral movement within the environment.
Likely Case
Local users with basic access can read trace logs containing sensitive information like session tokens, user data, or configuration details.
If Mitigated
With proper access controls and logging restrictions, impact is limited to authorized users who already have legitimate access to the system.
🎯 Exploit Status
Exploitation requires local access to the system; no authentication bypass needed beyond basic local user privileges.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.0.8.0 or later
Vendor Advisory: https://www.ibm.com/support/pages/node/7158789
Restart Required: Yes
Instructions:
1. Download IBM Security Verify Access version 10.0.8.0 or later from IBM Fix Central
2. Follow IBM's upgrade documentation for your deployment type
3. Apply the update to all affected instances
4. Restart the services as required
🔧 Temporary Workarounds
Disable Trace Logging
allDisable trace logging functionality to prevent sensitive information from being written to logs.
Consult IBM documentation for your specific deployment to disable trace logging
Restrict Log File Access
linuxApply strict file permissions to trace log directories to prevent unauthorized local access.
chmod 600 /path/to/trace/logs/*
chown root:root /path/to/trace/logs/*
🧯 If You Can't Patch
- Implement strict access controls to limit local user access to systems running IBM Security Verify Access
- Regularly audit and monitor trace log files for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check IBM Security Verify Access version using administrative console or command line; versions 10.0.0 through 10.0.7.1 are vulnerable.Check Version:
Consult IBM documentation for version checking specific to your deployment typeVerify Fix Applied:
Verify version is 10.0.8.0 or later and test that trace logs no longer contain sensitive information when accessed by local users.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to trace log files
- Sensitive data exposure in trace logs
Network Indicators:
- Local file access patterns to trace log directories
SIEM Query:
source="*verify_access*" AND (event="file_access" OR event="log_access") AND target="*trace*" AND user!="authorized_user"