CVE-2024-56134
📋 TL;DR
This CVE-2024-56134 is an OS command injection vulnerability in Progress LoadMaster that allows authenticated users to execute arbitrary operating system commands. The vulnerability affects multiple LoadMaster product lines including standard LoadMaster, Multi-Tenant Hypervisor, and ECS versions. Attackers with valid credentials can potentially gain full system control.
💻 Affected Systems
- Progress LoadMaster
- LoadMaster Multi-Tenant Hypervisor
- LoadMaster ECS
📦 What is this software?
Loadmaster by Progress
Loadmaster by Progress
Loadmaster by Progress
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to execute arbitrary commands as root/administrator, install persistent backdoors, exfiltrate sensitive data, pivot to internal networks, and disrupt critical load balancing services.
Likely Case
Authenticated attackers gaining shell access to the LoadMaster system, potentially compromising SSL certificates, modifying load balancing configurations, and accessing network traffic passing through the device.
If Mitigated
Limited impact if strong authentication controls, network segmentation, and least privilege principles are enforced, though authenticated users could still cause service disruption.
🎯 Exploit Status
Exploitation requires authenticated access to the LoadMaster web interface or API. The vulnerability is in input validation that allows command injection through authenticated endpoints.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: LoadMaster 7.2.60.2 or later; Check vendor advisory for specific product updates
Vendor Advisory: https://community.progress.com/s/article/LoadMaster-Security-Vulnerability-CVE-2024-56131-CVE-2024-56132-CVE-2024-56133-CVE-2024-56134-CVE-2024-56135
Restart Required: No
Instructions:
1. Backup current configuration. 2. Download appropriate patch from Progress support portal. 3. Apply patch via LoadMaster web interface or CLI. 4. Verify patch application and system functionality.
🔧 Temporary Workarounds
Restrict Authentication Access
allLimit which users and IP addresses can authenticate to LoadMaster management interfaces
Configure firewall rules to restrict management interface access to trusted IPs only
Review and reduce user accounts with administrative privileges
Network Segmentation
allIsolate LoadMaster management interfaces from general network access
Place management interfaces on separate VLAN
Implement strict network access controls to management IPs
🧯 If You Can't Patch
- Implement strict network segmentation to isolate LoadMaster management interfaces
- Enforce multi-factor authentication and strong password policies for all LoadMaster accounts
- Monitor authentication logs and command execution patterns for suspicious activity
- Consider deploying a WAF or reverse proxy in front of LoadMaster management interfaces
🔍 How to Verify
Check if Vulnerable:
Check LoadMaster version via web interface (System Configuration > System Administration > System Information) or CLI command 'show version'Check Version:
show version (CLI) or check System Information in web interfaceVerify Fix Applied:
Verify version is 7.2.60.2 or later for LoadMaster, or check vendor advisory for specific product patch versions📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns in system logs
- Multiple failed authentication attempts followed by successful login
- Unexpected system configuration changes
- Suspicious process creation events
Network Indicators:
- Unusual outbound connections from LoadMaster management IPs
- Traffic to unexpected ports from LoadMaster
- Anomalous patterns in management interface traffic
SIEM Query:
source="loadmaster" AND (event_type="command_execution" OR event_type="system_config_change") | stats count by user, src_ip