A vulnerability has been reported in Motorola netOctopus, which can be exploited by malicious, local users to gain escalated privileges.
The problem is that the netOctopus Agent installs the nantsys.sys device driver, which exposes the \\.\NantSys device interface that is writable by all users. This can be exploited to execute code with kernel privileges e.g. by modifying SYSENTER_EIP_MSR.
The vulnerability is reported in nantsys.sys version 18.104.22.168 included in netOctopus version 5.1.2 build 1011. Other versions may also be affected.
Solution: The vendor has provided a script, which removes the driver from the system.
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