CVE-2023-32477
📋 TL;DR
This vulnerability in Dell Common Event Enabler allows local low-privileged users to bypass access controls and gain elevated privileges on affected Windows systems. It affects Dell Common Event Enabler version 8.9.8.2 and earlier on Windows platforms.
💻 Affected Systems
- Dell Common Event Enabler
- Dell EMC Common Event Enabler
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
A local attacker gains full administrative control over the system, enabling installation of malware, data theft, lateral movement, and persistence.
Likely Case
Local users escalate privileges to administrator level, allowing them to bypass security controls, access sensitive data, and modify system configurations.
If Mitigated
With proper access controls and monitoring, exploitation attempts can be detected and contained before significant damage occurs.
🎯 Exploit Status
Exploitation requires local access but appears to be straightforward based on the vulnerability description. No public exploit code has been reported.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to version after 8.9.8.2 (check Dell advisory for specific fixed version)
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000218120/dsa-2023-310-security-update-for-dell-emc-common-event-enabler
Restart Required: Yes
Instructions:
1. Download the latest version from Dell Support. 2. Backup current configuration. 3. Install the update following Dell's installation guide. 4. Restart the system. 5. Verify the update was successful.
🔧 Temporary Workarounds
Restrict Local Access
windowsLimit local access to systems running Dell Common Event Enabler to only trusted administrators
Monitor Privilege Escalation Attempts
windowsEnable auditing for privilege escalation events and monitor security logs
auditpol /set /subcategory:"Privilege Use" /success:enable /failure:enable
🧯 If You Can't Patch
- Implement strict least privilege access controls to limit local user permissions
- Deploy endpoint detection and response (EDR) solutions to monitor for privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check the installed version of Dell Common Event Enabler via Control Panel > Programs and Features or using PowerShell: Get-WmiObject -Class Win32_Product | Where-Object {$_.Name -like "*Common Event Enabler*"} | Select-Object Name, VersionCheck Version:
Get-WmiObject -Class Win32_Product | Where-Object {$_.Name -like "*Common Event Enabler*"} | Select-Object Name, VersionVerify Fix Applied:
Verify the installed version is greater than 8.9.8.2 using the same version check command📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege escalation events
- Failed or successful attempts to access privileged functions by non-admin users
- Security log events related to Dell Common Event Enabler service
Network Indicators:
- No network indicators as this is a local privilege escalation
SIEM Query:
EventID=4672 OR EventID=4688 AND ProcessName contains "Common Event Enabler" OR Description contains "privilege"