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Category:   Application (File Transfer/Sharing)  >   WS_FTP Vendors:   Ipswitch
(Vendor Issues Fix) WS_FTP Buffer Overflow in Processing Certain FTP Commands Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1012638
SecurityTracker URL:  http://securitytracker.com/id/1012638
CVE Reference:   CVE-2004-1135   (Links to External Site)
Date:  Dec 20 2004
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 5.04
Description:   Several vulnerabilities were reported in WS_FTP Server. A remote authenticated user can execute arbitrary code on the target system.

Reed Arvin reported that a remote authenticated user can trigger a buffer overflow in several FTP commands. The SITE, XMKD, MKD, and RFNR FTP commands are affected. A remote user can cause the FTP service to crash or execute arbitrary code.

A demonstration exploit is available at:

http://noph0bia.lostspirits.org/Exploits/IPSWSFTP-exploit.c

The vendor was notified without response.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix (5.04 Patch), available at:

http://ftp1.ipswitch.com/ipswitch/product_support/ws_ftp_server/ifs504.exe

Vendor URL:  ipswitch.com/support/ws_ftp-server/releases/wr504.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (NT), Windows (2000), Windows (2003), Windows (XP)

Message History:   This archive entry is a follow-up to the message listed below.
Nov 29 2004 WS_FTP Buffer Overflow in Processing Certain FTP Commands Lets Remote Users Execute Arbitrary Code



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