Unauthenticated Remote Code Execution in Acer NitroSense

Executive Summary

This vulnerability allows an unauthenticated local attacker to connect to the Electron DevTools endpoint of Acer NitroSense software (versions up to 5.2.63) on localhost TCP port 9993. Chromium remote debugging is enabled in the production app, letting the attacker execute JavaScript in the privileged application context and gain arbitrary code execution.

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Detection Guidance

Check if Acer NitroSense software version 5.2.63 or earlier is installed. Verify if the Electron DevTools endpoint is listening on localhost TCP port 9993 using commands like 'netstat -tuln | grep 9993' or 'ss -tuln | grep 9993'.

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Impact Analysis

An attacker could exploit this to run malicious code on your system with the same privileges as the Acer NitroSense application. This could allow them to steal data, install malware, or take control of your device without needing authentication.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Organizations using affected Acer NitroSense versions may face compliance violations and potential penalties.

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Mitigation Strategies

Update Acer NitroSense software to the latest version beyond 5.2.63. Disable remote debugging in the application settings if possible. Block or restrict access to TCP port 9993 on localhost using firewall rules.

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