CVE-2023-32451
📋 TL;DR
Dell Display Manager version 2.1.1.17 contains a privilege escalation vulnerability where low-privileged users can execute arbitrary code during installation or uninstallation processes. This affects organizations using Dell Display Manager software on Windows systems. Attackers could gain elevated privileges on affected systems.
💻 Affected Systems
- Dell Display Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with administrative privileges, allowing installation of persistent malware, data theft, and lateral movement across the network.
Likely Case
Local privilege escalation leading to unauthorized software installation, configuration changes, or credential harvesting from the compromised system.
If Mitigated
Limited impact if proper privilege separation and application control policies are enforced, restricting low-privileged users from executing installation processes.
🎯 Exploit Status
Exploitation requires local access with low privileges. The vulnerability is in the installation/uninstallation process which may be triggered by users with standard permissions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.1.1.18 or later
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000215216/dsa-2023-182-dell
Restart Required: Yes
Instructions:
1. Download Dell Display Manager version 2.1.1.18 or later from Dell Support. 2. Uninstall the vulnerable version. 3. Install the updated version. 4. Restart the system.
🔧 Temporary Workarounds
Restrict Installation Permissions
windowsConfigure Group Policy or local security policy to prevent low-privileged users from running installation or uninstallation processes.
gpedit.msc -> Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> 'Deny log on locally' for standard users
Application Control
windowsImplement application whitelisting to prevent unauthorized execution of installation packages.
Use Windows AppLocker or similar solutions to restrict execution of .msi and .exe files to authorized paths only.
🧯 If You Can't Patch
- Remove Dell Display Manager from affected systems if not required for business operations.
- Implement strict privilege separation ensuring standard users cannot access installation directories or execute installation processes.
🔍 How to Verify
Check if Vulnerable:
Check Dell Display Manager version in Control Panel -> Programs and Features or via command: wmic product where name='Dell Display Manager' get versionCheck Version:
wmic product where name='Dell Display Manager' get versionVerify Fix Applied:
Verify installed version is 2.1.1.18 or later using the same version check command.📡 Detection & Monitoring
Log Indicators:
- Windows Event Logs showing unexpected installation/uninstallation events (Event ID 11707, 11724)
- Process creation logs showing msiexec.exe or setup.exe execution by low-privileged users
Network Indicators:
- Unusual outbound connections following installation events
- Downloads from unexpected sources during installation
SIEM Query:
source='windows' AND (event_id=11707 OR event_id=11724) AND user_level='standard' AND process_name IN ('msiexec.exe', 'setup.exe')