WFTPD Pro MKD or XMKD FTP commands can cause denial of service

wftpd-ftp-command-dos (15342) The risk level is classified as MediumMedium Risk


WFTPD Pro Server is vulnerable to a denial of service, caused by a stack-based buffer overflow. A remote authenticated attacker, who has logged in with the XeroxDocutech option set to 1, can supply a specially-crafted MKD or XMKD FTP command to overflow the buffer and cause the server to crash.


Denial of Service


Upgrade to the latest version of WFTPD (version 3.21 R2 or later), available from the Texas Imperial Software Web site. See References.


  • BugTraq Mailing List, Sat Feb 28 2004 - 15:49:59 CST: Multiple WFTPD Denial of Service vulnerabilities.
  • Texas Imperial Software Web site: Downloads.
  • BID-9767: Multiple WFTPD Vulnerabilities
  • CVE-2004-0342: WFTPD Pro Server 3.21 Release 1, with the XeroxDocutech option enabled, allows local users to cause a denial of service (crash) via a (1) MKD or (2) XMKD command that causes an absolute path of 260 characters to be used, which overwrites a cookie with a null character, possibly due to an off-by-one error.
  • OSVDB ID: 14765: Windows NT FTP Server (WFTP) Pro Server MKD/XMKD Absolute Path DoS
  • OSVDB ID: 4116: Windows NT FTP Server (WFTP) Xerox Docutech DoS
  • SA11001: WFTPD Server/Pro Server Multiple Vulnerabilities

Platforms Affected:

  • Texas Imperial Software WFTPD Pro Server 3.21 R1


Feb 28, 2004

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