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TFTPdWin 0.4.2 Server Directory Traversal Vulnerability

TFTPdWin 0.4.2 Server Directory Traversal Vulnerability TFTPdWin 0.4.2 Server Directory Traversal Vulnerability


Title
-----
TFTPdWin 0.4.2 Server Directory Traversal Vulnerability

Severity
--------
High

Date Discovered
---------------
3/15/2007

Vendor Notified
---------------
3/26/2007  -  No Response

Discovered By
-------------
Digital Defense, Inc. Vulnerability Research Team
 - r@b13s

Vulnerability Description
-------------------------
The version of TFTPdWin contains a vulnerability that allows a potential intruder to gain read and write access to directories and files outside of the TFTP root.  Successful exploitation of this vulnerability may also allow a remote, unauthenticated attacker to overwrite and modify system files which could facilitate the execution of arbitrary code, the result of which could ultimately lead to a full system compromise.  

Solution Description
--------------------
No patch is available at this time.  Other versions may be vulnerable.


Tested Systems / Software (with versions)
-----------------------------------------
Windows XP Professional Service Pack 2, TFTPdWin version 0.4.2

Vendor Website
--------------
http://www.prosysinfo.webpark.pl/