Executive Summary

The vulnerability in CleverControl employee monitoring software (v11.5.1041.6) occurs because the installer does not validate TLS server certificates when downloading external components. It uses curl.exe with the --insecure option, allowing a man-in-the-middle attacker to intercept and deliver malicious files. These malicious files are then executed with SYSTEM privileges, potentially leading to full remote code execution with administrative rights.

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Impact Analysis

This vulnerability can allow an attacker to execute arbitrary code remotely with SYSTEM-level privileges on the affected system. This means the attacker could take full control of the system, install malware, steal data, or disrupt operations.

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Mitigation Strategies

Since no patch is available and the vendor is unresponsive, immediate mitigation steps include: avoiding installation or reinstallation of the affected CleverControl software version (v11.5.1041.6), restricting network access to prevent the installer from downloading external components, and monitoring for any suspicious activity related to curl.exe usage with the --insecure flag. Consider isolating affected systems and using endpoint protection to detect and block malicious executions.

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