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Category:   Application (Security)  >   Ultra Crypto Component Vendors:   Ultra Shareware
Ultra Crypto Component ActiveX Control Lets Remote Users Write to Arbitrary Files
SecurityTracker Alert ID:  1018675
SecurityTracker URL:  http://securitytracker.com/id/1018675
CVE Reference:   CVE-2007-4902   (Links to External Site)
Updated:  Apr 18 2008
Original Entry Date:  Sep 11 2007
Impact:   Modification of user information
Exploit Included:  Yes  
Version(s): 2.0 and prior versions
Description:   A vulnerability was reported in Ultra Crypto Component. A remote user can write arbitrary data to arbitrary files on the target system.

A remote user can create specially crafted HTML that, when loaded by the target user, will exploit a flaw in the SaveToFile() function of the 'CryptoX.dll' ActiveX control and write arbitrary contents to an arbitrary file on the target user's system (with the privileges of the target user).

The CLSID of the vulnerable control is: FD22F3AE-1450-4BDC-ADBE-6AF210A78C2C

A demonstration exploit is available at:

http://www.milw0rm.com/exploits/4388

shinnai reported this vulnerability.

Impact:   A remote user can write arbitrary data to arbitrary files on the target system.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.ultrashareware.com/Ultra-Crypto-Component.htm (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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