Win32 device drivers communication vulnerabilities - tutorial

Thursday, 7 August 2003, 9:01 AM EST

The following a complete tutorial on how to exploit Norton Antivirus's device driver to gain elevated privileges. The tutorial is comprehensive, and detailed enough to be used to learn on the issue, and how to find these types of vulnerabilities in other products.

What is the Device Driver? Let us paste something from Win32 Developer Reference: "A Windows device driver is a DLL that Windows uses to interact with a hardware device, such as a display or keyboard. Rather than access devices directly, Windows loads device drivers and calls functions in the drivers to carry out actions on the device. Each device driver exports a set of functions; Windows calls these functions to complete an action, such as drawing a circle or translating a keyboard scan code.
The driver functions also contain the device-specific code needed to carry out actions on the device."

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