WibuKey Driver Kernel Buffer Overflow

Executive Summary

This vulnerability exists in the WibuKey driver for Windows versions below 6.72. It involves insufficient validation of user input when calculating the size of a kernel buffer, which can cause small amounts of data to be written outside the intended buffer. This may lead to a system crash or, in unfavorable conditions, modification of adjacent kernel memory.

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Impact Analysis

This vulnerability can cause system crashes or instability due to kernel memory corruption. If adjacent kernel memory is modified, it could potentially lead to privilege escalation or unauthorized access, depending on the affected system's configuration and the attacker's capabilities.

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Mitigation Strategies

Update the WibuKey driver for Windows to Version 6.72 or later to address the insufficient validation issue. Avoid using vulnerable versions until patched.

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