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

Description:

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.


Consequences:

Denial of Service

Remedy:

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

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

Reported:

Feb 28, 2004

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