A vulnerability has been identified in Motorola netOctopus, which could be exploited by local attackers to obtain elevated privileges. This issue is caused by an error in the "nantsys.sys" driver that exposes the writable "\\.\NantSys" device interface, which could be exploited by malicious users to execute arbitrary code with kernel privileges by manipulating the "SYSENTER_EIP_MSR" CPU Model Specific Register (MSR) value.
Credits
Vulnerability reported by Stephen Fewer (Harmony Security).
ChangeLog
2008-01-08 : Initial release
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