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/