CVE-2024-0715
📋 TL;DR
This CVE describes an Expression Language Injection vulnerability in Hitachi Global Link Manager on Windows that allows attackers to inject and execute arbitrary code. The vulnerability affects all versions before 8.8.7-03, potentially compromising the entire system where the software is installed.
💻 Affected Systems
- Hitachi Global Link Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with remote code execution, allowing attackers to install malware, steal sensitive data, or pivot to other systems in the network.
Likely Case
Unauthorized access to the Global Link Manager system, potential data exfiltration, and installation of backdoors for persistent access.
If Mitigated
Limited impact if proper network segmentation, least privilege access, and monitoring are in place, potentially containing the attack to the affected system.
🎯 Exploit Status
Exploitation requires understanding of Expression Language injection techniques and access to vulnerable endpoints
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.8.7-03
Vendor Advisory: https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2024-112/index.html
Restart Required: Yes
Instructions:
1. Download patch version 8.8.7-03 from Hitachi support portal. 2. Backup current configuration and data. 3. Stop Global Link Manager services. 4. Apply the patch following vendor instructions. 5. Restart services and verify functionality.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to Global Link Manager to only trusted IP addresses and networks
Application Firewall Rules
allImplement WAF rules to block expression language injection patterns
🧯 If You Can't Patch
- Isolate the system from internet access and restrict internal network access
- Implement strict input validation and sanitization for all user inputs in the application
🔍 How to Verify
Check if Vulnerable:
Check the installed version of Hitachi Global Link Manager via the application interface or Windows Programs and FeaturesCheck Version:
Check via Windows Control Panel > Programs and Features or application's About/Help menuVerify Fix Applied:
Verify the version number shows 8.8.7-03 or higher in the application interface📡 Detection & Monitoring
Log Indicators:
- Unusual expression language patterns in application logs
- Multiple failed injection attempts
- Unexpected process execution from Global Link Manager
Network Indicators:
- Unusual outbound connections from Global Link Manager system
- Traffic to unexpected ports or IP addresses
SIEM Query:
source="GlobalLinkManager" AND (message="*${*" OR message="*#{" OR message="*%{*")