CVE-2024-38490
📋 TL;DR
CVE-2024-38490 is an out-of-bounds write vulnerability in Dell iDRAC Service Module versions 5.3.0.0 and earlier. A privileged local attacker could exploit this to execute arbitrary code, potentially causing denial of service. This affects systems running the vulnerable iDRAC Service Module software.
💻 Affected Systems
- Dell iDRAC Service Module
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Privileged local attacker gains full system control via arbitrary code execution, potentially compromising the entire host system.
Likely Case
Local attacker with administrative privileges causes system crash or denial of service through memory corruption.
If Mitigated
Impact limited to denial of service if proper access controls prevent code execution.
🎯 Exploit Status
Requires local privileged access. Out-of-bounds write vulnerabilities can be complex to exploit reliably.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to version 5.4.0.0 or later
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000227444/dsa-2024-086-security-update-for-dell-idrac-service-module-for-memory-corruption-vulnerabilities
Restart Required: Yes
Instructions:
1. Download latest iDRAC Service Module from Dell Support. 2. Install update following Dell documentation. 3. Restart system to complete installation.
🔧 Temporary Workarounds
Remove iDRAC Service Module
allUninstall the iDRAC Service Module if not required for system management
Windows: Control Panel > Programs > Uninstall iDRAC Service Module
Linux: Use package manager to remove idrac-service-module package
Restrict Local Privileged Access
allImplement strict access controls to limit local administrative privileges
🧯 If You Can't Patch
- Implement strict principle of least privilege for local user accounts
- Monitor systems for unusual process behavior or crashes related to iDRAC Service Module
🔍 How to Verify
Check if Vulnerable:
Check iDRAC Service Module version via system software inventory or Dell OpenManageCheck Version:
Windows: wmic product where name="iDRAC Service Module" get version
Linux: rpm -qa | grep idrac-service-moduleVerify Fix Applied:
Verify iDRAC Service Module version is 5.4.0.0 or later📡 Detection & Monitoring
Log Indicators:
- Unexpected iDRAC Service Module process crashes
- Memory access violation errors in system logs
- Unusual process creation from iDRAC Service Module
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
EventID=1000 OR EventID=1001 AND ProcessName="iDRAC Service Module"