CVE-2024-47240
📋 TL;DR
Dell Secure Connect Gateway 5.24 has incorrect default file permissions that allow local low-privileged attackers to access the file system. This could enable unauthorized data modification and potentially disrupt version updates. Only organizations running Dell SCG version 5.24 are affected.
💻 Affected Systems
- Dell Secure Connect Gateway
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attacker gains write access to sensitive system files, potentially leading to privilege escalation, data corruption, or complete system compromise.
Likely Case
Local user modifies configuration files or application data, causing service disruption or version update failures.
If Mitigated
Limited impact with proper access controls and monitoring in place, potentially only causing minor service interruptions.
🎯 Exploit Status
Exploitation requires local access with low privileges. No public exploit code has been disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to version 5.25 or later
Restart Required: Yes
Instructions:
1. Download the latest SCG update from Dell Support. 2. Backup current configuration. 3. Apply the update through the SCG web interface. 4. Restart the SCG appliance as prompted.
🔧 Temporary Workarounds
Restrict Local Access
allLimit physical and remote local access to SCG appliances to authorized administrators only.
File Permission Hardening
linuxManually review and tighten file permissions on critical SCG directories and files.
chmod 750 /opt/dell/scg/*
chown root:root /opt/dell/scg/*
🧯 If You Can't Patch
- Implement strict access controls to limit who can log into SCG appliances locally
- Enable detailed file system auditing and monitor for unauthorized file access attempts
🔍 How to Verify
Check if Vulnerable:
Check SCG version via web interface: Admin > About, or run: cat /opt/dell/scg/version.txtCheck Version:
cat /opt/dell/scg/version.txtVerify Fix Applied:
Confirm version is 5.25 or later and verify file permissions on critical directories are properly restricted📡 Detection & Monitoring
Log Indicators:
- Unauthorized file access attempts in system logs
- Failed update processes
- Permission denied errors from non-admin users
Network Indicators:
- Unusual local login patterns to SCG management interface
SIEM Query:
source="scg_logs" AND (event="file_access" OR event="permission_error") AND user!="admin"