Privilege Escalation in Yungengxin Yun Jia Security Guard

Executive Summary

This vulnerability is in Yungengxin Yun Jia Security Guard up to version 2.7.1.9. It involves a flaw in the function sub_14000885C within the kgameprotect.sys library. By manipulating the Pid argument, an attacker can improperly manage privileges. The attack requires local access to the system.

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Detection Guidance

This vulnerability requires local access and involves manipulation of the Pid argument in the kgameprotect.sys library. Detection may involve monitoring for unusual privilege escalation attempts or analyzing the kgameprotect.sys driver for suspicious activity. No specific commands are provided in the context.

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Impact Analysis

An attacker with local access could exploit this to gain elevated privileges on your system. This could allow them to perform unauthorized actions, install malware, or access sensitive data. The impact depends on the system's configuration and user permissions.

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Compliance Impact

This vulnerability allows improper privilege management through local access, which could lead to unauthorized privilege escalation. Such flaws may violate compliance requirements for data protection and access control in standards like GDPR (data integrity and confidentiality) and HIPAA (access controls and audit controls).

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Mitigation Strategies

Immediate steps include removing or disabling the Yungengxin Yun Jia Security Guard software, especially versions up to 2.7.1.9. Restrict local access to systems running this software and monitor for any signs of exploitation. Since the vendor did not respond, consider alternative security solutions.

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