Missing Certificate Validation in CleverControl Installer Allows Remote Code Execution
Vulnerability Description
The CleverControl employee monitoring software (v11.5.1041.6) fails to validate TLS server certificates during the installation process. The installer downloads and executes external components using curl.exe --insecure, enabling a man-in-the-middle attacker to deliver malicious files that are executed with SYSTEM privileges. This can lead to full remote code execution with administrative rights. No patch is available as the vendor has been unresponsive. It is assumed that previous versions are also affected, but this is not confirmed.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Daniel Hirschberger, SEC Consult Vulnerability Lab
- Thorger Jansen, SEC Consult Vulnerability Lab
- Tobias Niemann, SEC Consult Vulnerability Lab
- Marius Renner, SEC Consult Vulnerability Lab
References
Affected Vendor
CleverControl
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