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CVE-2019-9730 is a privilege escalation vulnerability in the CxUtilSvc component of Synaptics Sound Device drivers prior to version 2.29. The vulnerability is due to incorrect access control, which allows a local attacker to leverage an unpublished API to gain elevated access to the Windows Registry.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a proof-of-concept (POC) local privilege escalation exploit for CVE-2019-9730, targeting the Conexant/Synaptics CxUtilSvc service on Windows systems. The exploit leverages a COM interface exposed by the vulnerable service, which allows arbitrary registry read/write operations as SYSTEM. The main exploit logic is implemented in C# (Program.cs), where it modifies the 'ImagePath' registry value of a specified service (default: 'ose') to execute a command as SYSTEM. This command can either add the current user to the Administrators group or create a new administrator account. After execution, the original service path is restored to cover tracks. The exploit requires the user to have permission to start/stop certain services, which is often possible for some services even as a standard user. The README provides context, affected vendors (Lenovo, HP, Asus, LG), and links to advisories and drivers. The code is structured as a Visual Studio C# project, with the main entry point in 'Program.cs'. No network endpoints are involved; the attack vector is purely local, targeting Windows registry and service management.
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