Privilege Escalation in IObit Uninstaller via IOCTL Handler

Executive Summary

This vulnerability is a flaw in IObit Uninstaller 15.5.0.11 affecting the IRP_MJ_DEVICE_CONTROL function in the IUForceDelete.sys library. It involves improper privilege management due to a manipulation in the IOCTL Handler. The attack requires local access to exploit.

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Detection Guidance

This vulnerability requires local access and involves the IOCTL handler in IUForceDelete.sys. Detection may involve checking for suspicious processes or drivers related to IObit Uninstaller 15.5.0.11. Use commands like 'sc query IUForceDelete' or 'driverquery | findstr IObit' to inspect drivers. Monitor for unexpected privilege escalation attempts or unusual IOCTL calls.

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Impact Analysis

An attacker with local access could exploit this flaw to gain elevated privileges on the affected system. This may allow unauthorized changes, data access, or control over the system depending on the attacker's goals.

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Compliance Impact

The vulnerability involves improper privilege management due to a flaw in IObit Uninstaller 15.5.0.11, requiring local access. This could potentially lead to unauthorized privilege escalation, which may impact compliance with standards like GDPR or HIPAA by compromising data integrity or confidentiality. However, specific compliance impacts are not detailed in the provided context.

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Mitigation Strategies

Immediately uninstall IObit Uninstaller 15.5.0.11 from your system. Disable or remove the IUForceDelete.sys driver if present. Restrict local access to untrusted users. Apply vendor patches if available in the future. Monitor system logs for suspicious activity related to privilege management.

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