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Category:   Application (File Transfer/Sharing)  >   WS_FTP Vendors:   Ipswitch
WS_FTP Server Can Be Crashed By Remote Authenticated Users Sending Certain CWD Commands
SecurityTracker Alert ID:  1008496
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Dec 17 2003
Impact:   Denial of service via network
Exploit Included:  Yes  
Version(s): 4.02
Description:   A denial of service vulnerability was reported in WS_FTP. A remote authenticated user can cause the FTP service to become unavailable.

Dr_insane reported that a remote authenticated user, including an anonymous user, can issue the following CWD command to cause CPU utilization to reach 100%:

cwd ..............

The WS_FTP service will then become unavailable.

The original advisory is available at:

Impact:   A remote user can cause excessive CPU utilization and can cause the FTP service to become unavailable.
Solution:   No solution was available at the time of this entry.
Vendor URL: (Links to External Site)
Cause:   Exception handling error
Underlying OS:  Windows (NT), Windows (2000), Windows (2003), Windows (XP)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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