netOctopus Agent nantsys.sys MSR Write Local Privilege Escalation

This script is Copyright (C) 2008-2015 Tenable Network Security, Inc.


Synopsis :

The remote Windows host contains a driver that is affected by a local
privilege escalation vulnerability.

Description :

netOctopus Agent, an asset management agent, is installed on the
remote host.

The installed version of netOctopus Agent includes a driver, named
'nantsys.sys', that exposes a device interface writable by all local
users, allowing them to read and write arbitrary CPU Model Specific
Registers (MSRs). A local user could leverage this issue to execute
arbitrary code in kernel mode.

See also :

http://www.nessus.org/u?d698705a
http://www.securityfocus.com/archive/1/485911/30/0/threaded

Solution :

Remove the affected driver using the vendor-supplied script referenced
in the advisory above.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 5.3
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Windows

Nessus Plugin ID: 29928 ()

Bugtraq ID: 27175

CVE ID: CVE-2007-5761

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